mohd isrul esa, nor samsiah sani, salwani abdullah.  (2026).  improving substructural analysis with chemical weighted rmse in symbolic regression.  - aims medical science.  159 - 186. 

s. rayhan kabir, mohammad kamrul hasan, tanja pavleska, salwani abdullah.  (2026).  scada digital twin and cryptographic ami cyber-twin for smart grid security.  - applied sciences.  1 - 42. 

harith a. hussein, khalid shaker, salwani binti abdullah.  (2026).  deep learning-based pre-processing pipeline and hybrid vision transformer model for deepfake video detection.  - babylonian journal of machine learning.  110 - 142. 

najmeh sadat jaddi, salwani abdullah, zalinda othman, yazrina yahya, mohd zakree ahmad nazri, say leng goh, fatemeh alvankarian, jafar alvankarian.  (2025).  optimizing heart-kidney interaction for cancer detection through physiological process simulation as a decision support system.  - ieee access.  79169 - 79179. 

najmeh sadat jaddi, mohammad saniee abadeh, niousha bagheri khoulenjani, salwani abdullah, mohammadmahdi arriannejad, mohd zakree ahmad nazri, fatemah alvankarian.  (2025).  co-deepnet: a cooperative convolutional neural network for dna methylation-based age prediction.  - caai transactions on intelligence technology.  1118 - 1134. 

mohammad kamrul hasan, s rayhan kabir, shayla islam, salwani abdullah, huda saleh abbas, bishwajeet pandey, thippa reddy gadekallu.  (2025).  aes cryptography enabled responsible federated foundation model using transformer llm and lstm for smart grid iiot networks.  - ieee internet of things journal.  49801 - 49810. 

najmeh sadat jaddi, salwani abdullah, say leng goh, mohd zakree ahmad nazri, zalinda othman, mohammad kamrul hasan, fatemeh alvankarian.  (2025).  multi-population kidney-inspired algorithm with migration policy selections for feature selection problems.  - ieee access.  6306 - 6320. 

najmeh sadat jaddi, salwani abdullah, say leng goh, mohammad kamrul hasan.  (2024).  a related convolutional neural network for cancer diagnosis using microrna data classification.  - healthcare technology letters, wiley.  1 - 11. 

amin, maifuza mohd; sani, nor samsiah; nasrudin, mohammad faidzul; abdullah, salwani; chhabra, amit; kadir, faizal abd.  (2024).  clustering analysis for classifying fake real estate listings.  - peerj computer science.  1 - 28. 

bassel, atheer; abed, saad adnan; abdullah, salwani; nordin, md jan; turky, ayad.  (2024).  an improved glowworm swarm optimization based on various mutation operators.  - ieee access.  106359 - 106384. 

ashrif, fatma foad; sundararajan, elankovan a.; hasan, mohammad kamrul; ahmad, rami; abdullah, salwani; wazirali, raniyah.  (2024).  secured lightweight authentication for 6lowpans in machine-to-machine communications.  - computers and security.  1 - 20. 

kassaymeh, sofian; al-betar, mohammed azmi; rjoubd, gaith; fraihat, salam; abdullah, salwani; almasri, ammar.  (2024).  optimizing beyond boundaries: empowering the salp swarm algorithm for global optimization and defective software module classification.  - neural computing and applications.  18727 - 18759. 

emily sing kiang siew, san nah sze, say leng goh, graham kendall, nasser r. sabar, salwani abdullah.  (2024).  a survey of solution methodologies for exam timetabling problems.  - ieee access.  41479-41498. 

chandramohan dhasarathan, mohammad kamrul hasan, shayla islam, salwani abdullah, umi asma mokhtar, abdul rehman javed, sam goundar.  (2023).  covid-19 health data analysis and personal data preserving: a homomorphic privacy enforcement approach.  - computer communications.  87-97. 

zi xuan loke, say leng goh, graham kendall, salwani abdullah, nasser r. sabar.  (2023).  portfolio optimization problem: a taxonomic review of solution methodologies.  - ieee access.  33100-33120. 

mohamad al-laham, salwani abdullah, mohammad atwah al-ma'aitah, mohammed azmi al-betar, sofian kassaymeh, ahmad azzazi.  (2023).  parameter identification of a multilayer perceptron neural network using an optimized salp swarm algorithm.  - international journal of advanced computer science and applications.  1221-1232. 

sina abdipoor, razali yaakob, say leng goh, salwani abdullah.  (2023).  meta-heuristic approaches for the university course timetabling problem.  - intelligent systems with applications, elsevier.  1-18. 

jiashen tang, shuping dang, salwani abdullah, mohd zakree ahmad nazri, nasser r. sabar.  (2023).  enabling combined relay selection in stochastic wireless networks by recurrent neural computing.  - ieee transactions on mobile computing.  6410-6426. 

mohammad kamrul hasan, s. rayhan kabir, salwani abdullah, shayla islam, aisha ahmed alarfaj, muhammad attique khan, and taher m. ghazal.  (2023).  3d relative directions based evolutionary computation for uav-to-uav interaction in swarm intelligence enabled decentralized networks.  - alexandria engineering journal.  104-113. 

mohammed azmi al-betar, sofian kassaymeh, sharif naser makhadmeh, salam fraihat, salwani abdullah.  (2023).  feedforward neural network-based augmented salp swarm optimizer for accurate software development cost forecasting.  - applied soft computing.  1-21. 

ali abdullah hassan, salwani abdullah, kamal z. zamli, and rozilawati razali.  (2023).  q-learning whale optimization algorithm for test suite generation with constraints support.  - neural computing and application.  24069-24090. 

mohammad kamrul hasan, shayla islam, imran memon, ahmad fadzil ismail, salwani abdullah, anil kumar budati, nazmus shaker nafi.  (2022).  a novel resource oriented dma framework for internet of medical things devices in 5g network.  - ieee transactions on industrial informatics.  8895-8904. 

rajesh kumar shrivastava, simar preet singh, mohammad kamrul hasan, gagandeep, shayla islam, salwani abdullah, azana hafizah mohd aman.  (2022).  securing internet of things devices against code tampering attacks using return oriented programming.  - computer communications.  38-46. 

sofian kassaymeh, mohamad al-laham, mohammed azmi al-betar, mohammed alweshah, salwani abdullah, sharif naser makhadmeh.  (2022).  backpropagation neural network optimization and software defect estimation modelling using a hybrid salp swarm optimizer-based simulated annealing algorithm.  - knowledge-based systems.  1-16. 

zaid abdi alkareem alyasseri, osama ahmad alomari, sharif naser makhadmeh, seyedali mirjalili, mohammed azmi al-betar, salwani abdullah, nabeel salih ali, joćo p. papa, douglas rodrigues, ammar kamal abasi.  (2022).  eeg channel selection for person identification using binary grey wolf optimizer.  - ieee access.  10500-10513. 

sofian kasseymeh, salwani abdullah, mohammed azmi al-betar and mohammed alweshah.  (2022).  journal of king saud university, computer and information sciences.  - salp swarm optimizer for modeling the software fault prediction problem.  3365-3378. 

mohamed alweshah, saleh alkhalaileh, majdi beseiso, muder almiani, salwani abdullah.  (2022).  intrusion detection for iot based on a hybrid shuffled shepherd optimization algorithm.  - the journal of supercomputing.  12278-12309. 

say leng goh, san nah sze, nasser r. sabar, salwani abdullah, graham kendall.  (2022).  a 2-stage approach for the nurse rostering problem.  - ieee access.  69591-69604. 

ali abdullah hassan, salwani abdullah, kamal z. zamli, rozilawati razali.  (2022).  whale optimization algorithm strategies for higher interaction strength t-way testing.  - computers, materials & continua.  2057-2077. 

aisha adel, nazlia omar, salwani abdullah and adel al-shabi.  (2022).  co-operative binary bat optimizer with rough set reducts for text feature selection.  - applied sciences.  1-35. 

sofian kassaymeh, salwani abdullah, mohammed azmi al-betar, mohammed alweshah, mohamad al-laham, zalinda othman.  (2022).  self-adaptive salp swarm algorithm for optimization problems.  - soft computing.  9349-9368. 

salam salameh shreem, mohd zakree ahmad nazri, salwani abdullah and nor samsiah sani.  (2022).  hybrid symmetrical uncertainty and reference set harmony search algorithm for gene selection problem.  - mathematics.  1-26. 

salwani abdullah, ayad turky, mohd zakree ahmad nazri, and nasser r. sabar.  (2021).  an evolutionary variable neighbourhood search for the unrelated parallel machine scheduling problem.  - ieee access.  42857-42867. 

seyed mohsen mousavi, salwani abdullah, seyed taghi akhavan niaki, saeed banihashemi.  (2021).  an intelligent hybrid classification algorithm integrating fuzzy rule-based extraction and harmony search optimization: medical diagnosis applications.  - knowledge-based systems.  1-14. 

shuping dang, jiashen tang, jun li, miaowen wen, salwani abdullah, and chengzhong li.  (2021).  combined relay selection enabled by supervised machine learning.  - ieee transactions on vehicular technology.  3838-3943. 

muataz salam al-daweri, salwani abdullah, khairul akram zainol ariffin.  (2021).  a homogeneous ensemble based dynamic artificial neural network for solving the intrusion detection problem.  - international journal of critical infrastructure protection.  1-23. 

abdullah muhammad, salwani abdullah, nor samsiah sani.  (2021).  optimization of sentiment analysis using teaching-learning based algorithm.  - computers, materials & continua.  1783-1799. 

najmeh sadat jaddi, salwani abdullah.  (2021).  a novel auction-based optimization algorithm and its application in rough set feature selection.  - ieee access.  10650-10651. 

najmeh sadat jaddi, salwani abdullah, mohd zakree ahmad nazri.  (2021).  a recurrence population-based great deluge algorithm with independent quality estimation for feature selection from academician data.  - applied artificial intelligence.  1081-1105. 

muataz salam al-daweri, salwani abdullah, khairul akram zainol ariffin.  (2021).  an adaptive method and a new dataset, ukm-ids20, for the network intrusion detection system.  - computer communications.  57-76. 

sofian kassaymeh, salwani abdullah, mohamad al-laham, mohammed alweshah, mohammed azmi al-betar, zalinda othman.  (2021).  salp swarm optimizer for modeling software reliability prediction problems.  - neural processing letters.  4451-4487. 

muataz salam al-daweri, khairul akram zainol ariffin, salwani abdullah, mohamad firham efendy md senan.  (2020).  an analysis of the kdd99 and unsw-nb15 datasets for the intrusion detection system.  - symmetry.  1-32. 

ali abdullah hassan, salwani abdullah, kamal z. zamli, rozilawati razali.  (2020).  combinatorial test suites generation strategy utilizing the whale optimization algorithm.  - ieee access.  19228-19230. 

mohd zakree ahmad nazri, rahmad kurniawan, siti norul huda sheikh abdullah, zulaiha ali othman, salwani abdullah.  (2020).  bayesian network and dempster-shafer theory for early diagnosis of eye diseases.  - compusoft.  3642-3651. 

shamsan gaber, mohd zakree ahmad nazri, nazlia omar, salwani abdullah.  (2020).  part-of-speech (pos) tagger for malay language using naive bayes and k-nearest neighbor model.  - journal of critical reviews.  248-257. 

muataz salam al daweri, salwani abdullah dan khairul akram zainol ariffin.  (2020).  a migration-based cuttlefish algorithm with short-term memory for optimization problems.  - ieee access.  70270-70292. 

salwani abdullah dan najmeh sadat jaddi.  (2020).  dual kidney-inspired algorithm for water quality prediction and cancer detection.  - ieee access.  9807-9820. 

najmeh sadat jaddi dan salwani abdullah.  (2020).  global search in single-solution-based metaheuristics.  - data technologies and applications.  275-296. 

say leng goh, graham kendall, nasser r. sabar, salwani abdullah.  (2020).  an effective hybrid local search approach for the post enrolment course timetabling problem.  - opsearch.  1131-1163. 

gadeer mahmood alathamneh, salwani abdullah, nor samsiah sani.  (2019).  genetic algorithm selection strategies based rough set for attribute reduction.  - international journal of computer science and network security.  187-194. 

fayyad banihani, salwani abdullah, nor samsiah sani, zalinda othman.  (2019).  reinitiate great deluge with composite neighbourhood structures for rough set attribute reduction.  - international journal of computer science and network security.  165-171. 

najmeh sadat jaddi, salwani abdullah.  (2019).  kidney-inspired algorithm with reduced functionality treatment for classification and time series prediction.  - plos one.  1-17. 

mohd zakree bin ahmad nazri, rohayu abd ghani, salwani abdullah, mas ayu, r nor samsiah.  (2019).  predicting academician publication performance using decision tree.  - international journal of recent technology and engineering.  180-185. 

tareq al-moslmi,mohammed albared adel al-shabi, nazlia omar,salwani abdullah.  (2018).  arabic senti-lexicon: constructing publicly available language resources for arabic sentiment analysis.  - journal of information science.  . 

salwani abdullah, shams k. nseef, ayad turky.  (2018).  an interleaved artificial bee colony algorithm for dynamic optimisation problems.  - connection science.  . 

amjad mehmood, nabil alrajeh, mithun mukherjee, salwani abdullah, houbing song.  (2018).  a survey on proactive, active and passive fault diagnosis protocols for wsns: network operation perspective.  - sensors.  . 

malek alzaqebah, sana jawarneh, hafiz mohd sarim, salwani abdullah.  (2018).  bees algorithm for vehicle routing problems with time windows.  - international journal of machine learning and computing.  . 

syaimak abdul shukor, iman mousa shaheed, salwani abdullah.  (2018).  population initialisation methods for fuzzy job-shop scheduling problems: issues and future trends.  - international journal on advanced science engineering information technology.  . 

mohd zakree ahmad nazri, tri basuki kurniawan, abdul razak hamdan, salwani abdullah, mohammed azlan mis.  (2018).  pembangunan taksonomi dari teks melayu menggunakan algoritma kunang-kunang pembahagi dua sama.  - gema online journal of language studies.  . 

najmeh sadat jaddi, salwani abdullah.  (2018).  optimization of neural network using kidney-inspired algorithm with control of filtration rate and chaotic map for real-world rainfall forecasting.  - engineering applications of artificial intelligence.  . 

amjad mehmood, akbar khanan, muhammad muneer umar, salwani abdullah, khairul akram zainol ariffin, houbing song.  (2018).  secure knowledge and cluster-based intrusion detection mechanism for smart wireless sensor networks.  - ieee access.  . 

amjad mehmood, akbar khanan, abdul hakim h.m. mohamed, saeed mahfooz, houbing song, salwani abdullah.  (2018).  antsc: an intelligent naļve bayesian probabilistic estimation practice for traffic flow to form stable clustering in vanet.  - ieee access.  . 

ayad turky, salwani abdullah, anas dawod.  (2018).  dual population multi-operators harmony search algorithm for dynamic optimization problems.  - computers & industrial engineering.  . 

noor faridatul ainun zainal, rosseni din, mohammad faidzul nasrudin, salwani abdullah, abdul hadi abd rahman, siti norul huda sheikh abdullah, khairul akram zainol ariffin, siti murnirah jaafar, nazatul aini abd majid.  (2018).  robotic prototype and module specification for increasing the interest of malaysian students in stem education.  - international journal of engineering and technology (uae).  . 

omar salim abdullah, salwani abdullah, hafiz mohd sarim.  (2017).  harmony search algorithm for the multiple runways aircraft landing scheduling problem.  - journal of telecommunication, electronic and computer engineering.  59-65. 

najmeh sadat jaddi, salwani abdullah.  (2017).  a cooperative-competitive master-slave global-best harmony search for ann optimization and water-quality prediction.  - applied soft computing, elsevier.  209-224. 

najmeh sadat jaddi, salwani abdullah, marlinda abdul malek.  (2017).  master-leader-slave cuckoo search with parameter control for ann optimization and its real-world application to water quality prediction.  - plos one.  1-19. 

said kifah, salwani abdullah, yahya z. arajy.  (2017).  solving feature selection problem using intelligent double treatment iterative composite neighbourhood structure algorithm.  - international journal of computational vision and robotics.  255-275. 

tareq al-moslmi, nazlia omar, salwani abdullah, mohammed albared.  (2017).  approaches to cross-domain sentiment analysis: a systematic literature review.  - ieee access.  16173-16192. 

omar salim abdullah, salwani abdullah, hafiz mohd sarim.  (2017).  harmony search algorithm for the multiple runways aircraft landing scheduling problem.  - journal of telecommunication, electronic and computer engineering.  59-65. 

najmeh sadat jaddi, jafar alvankarianb, salwani abdullah.  (2017).  kidney-inspired algorithm for optimization problems.  - communications in nonlinear science and numerical simulation.  358-369. 

malek alzaqebah, salwani abdullah and sana jawarneh.  (2016).  modified artificial bee colony for the vehicle routing problems with time windows.  - springerplus.  1298-1311. 

s. n. h. s. abdullah, s. abdullah, a. fitriayanshah, m. petrou, s. abdullah, m. h. a. razalan.  (2016).  a portable rice disease diagnosis tool based on bi-level color image thresholding.  - applied engineering in agriculture.  295-310. 

shams k. nseef, salwani abdullah, ayad turky, graham kendall.  (2016).  an adaptive multi-population artificial bee colony algorithm for dynamic optimisation problems.  - knowledge-based systems.  14-23. 

najmeh sadat jaddi, salwani abdullah and abdul razak hamdan.  (2016).  a solution representation of genetic algorithm for neural network weights and structure.  - information processing letters.  22-25. 

salam salameh shreem, salwani abdullah and mohd zakree ahmad nazri.  (2016).  hybrid feature selection algorithm using symmetrical uncertainty and a harmony search algorithm.  - international journal of systems science.  1312-1329. 

saif kifah jihad, salwani abdullah.  (2015).  an adaptive non-linear great deluge algorithm for patient admission problem.  - information sciences.  573-585. 

mohammed alweshaha, salwani abdullah.  (2015).  hybridizing firefly algorithms with a probabilistic neural network for solving classification problems.  - applied soft computing.  513-524. 

najmeh sadat jaddi, salwani abdullah, abdul razak hamdan.  (2015).  optimization of neural network model using modified bat-inspired algorithm.  - applied soft computing.  71-86. 

sana jawarneh, salwani abdullah.  (2015).  sequential insertion heuristic with adaptive bee colony optimisation algorithm for vehicle routing problem with time windows.  - plos one.  1-23. 

majdi mafarja, salwani abdullah.  (2015).  a fuzzy record-to-record travel algorithm for solving rough set attribute reduction.  - international journal of systems science.  503-512. 

malek alzaqebah, salwani abdullah.  (2015).  a hybrid bee colony optimisation for examination timetabling problems.  - computers and operations research.  142-154. 

najmeh sadat jaddi, salwani abdullah and abdul razak hamdan.  (2015).  multi-population cooperation bat algorithm-based optimization of artificial neural network model..  - information sciences.  628-644. 

arajy y.z., abdullah s., kifah s..  (2014).  variable neighbourhood iterated improvement search algorithm for attribute reduction problems.  - lecture notes in computer science (including subseries lecture notes in artificial intelligence and lecture notes in bioinformatics).  554 - 568. 

alzaqebah m., abdullah s..  (2014).  an adaptive artificial bee colony and late-acceptance hill-climbing algorithm for examination timetabling.  - journal of scheduling.  249 - 262. 

salwani abdullah, nasser r. sabar, mohd zakree ahmad nazri, masri ayob.  (2014).  an exponential monte-carlo algorithm for feature selection problems.  - computers & industrial engineering.  67(2014):160-167. 

salwani abdullah, majid abdolrazzagh-nezhad.  (2014).  fuzzy job-shop scheduling problems - a review.  - information sciences.  278 (2014): 380-407. 

malek al-zaqebah, salwani abdullah.  (2014).  adaptive artificial bee colony with late acceptance hill climbing algorithm in optimising examination timetabling problems.  - journal of scheduling.  17:249-262. 

ayad mashaan turky, salwani abdullah.  (2014).  a multi-population harmony search algorithm with external archive for dynamic optimisation problems..  - information sciences.  272 (2014):84-95. 

salam salameh shreem, salwani abdullah, mohd zakree ahmad nazri.  (2014).  hybridising harmony search with a markov blanket for gene selection problems.  - information sciences.  258(2014) 108-121. 

ayad mashaan turky, salwani abdullah.  (2014).  a multi-population electromagnetic algorithm for dynamic optimisation problems.  - applied soft computing.  22(2014): 474-482. 

munaisyah abdullah, salwani abdullah, abdul razak hamdan, roslan ismail.  (2014).  optimization model of selective cutting for timber harvest planning based on a simulated annealing approach.  - journal of computer science.  10(1):54-65. 

majid abdolrazzagh-nezhad, salwani abdullah.  (2014).  robust intelligent construction procedure for job-shop scheduling.  - information technology and control.  217-229. 

bahareh nakisa, mohd zakree ahmad nazri, mohammad naim rastgoo and salwani abdullah.  (2014).  a survey: particle swarm optimization based algorithms to solve premature convergence problem.  - journal of computer science.  1758-1765. 

salwani abdullah, malek alzaqebah.  (2013).  a hybrid self-adaptive bees algorithm for examination timetabling problems.  - applied soft computing.  13(8):3608-3620. 

majdi mafarja, salwani abdullah.  (2013).  record to record travel algorithm for attribute reduction in rough set theory.  - journal of theoretical and applied information technology.  49(2):507-513. 

nik haslinda abdul halim, salwani abdullah.  (2013).  forecasting the general examination results using back propagation.  - asian journal of information technology.  12(1):1-6. 

najmeh alikar, salwani abdullah, seyed mohsen mousavi, seyed taghi akhavan niaki.  (2013).  a hybrid particle swarm optimization and fuzzy rule-based system for breast cancer diagnosis.  - international journal of soft computing.  8(2):126-133. 

majdi mafarja, salwani abdullah.  (2013).  investigating memetic algorithm in solving rough set attribute reduction.  - international journal of computer applications in technology.  48(3): 195-202. 

najmeh sadat jaddi, salwani abdullah.  (2013).  hybrid of genetic algorithm and great deluge for rough set attribute reduction.  - turkish journal of electrical engineering & computer sciences.  21:1737-1750. 

najmeh sadat jaddi and salwani abdullah.  (2013).  nonlinear great deluge algorithm for rough set attribute reduction.  - journal of information science and engineering.  29(1):49-62. 

r. kittaneh, s. abdullah, a. abuhamdah.  (2012).  iterative simulated annealing for medical clustering problems.  - trends in applied sciences research.  7(2):103-117. 

abdolreza hatamlou, salwaniabdullah, hosseinnezamabadi-pour.  (2012).  a combined approach for clustering based on k-means and gravitational search algorithms.  - swarm and evolutionary computation.  6:47-52. 

salam salameh shreem, salwani abdullah, mohd zakree ahmad nazri, malek alzaqebah.  (2012).  hybridizing relieff, mrmr filters and ga wrapper approaches for gene selection.  - journal of theoretical and applied information technology.  46(2):1034-1039. 

salwani abdullah, hamza turabieh, barry mccollum, paul mcmullan..  (2012).  a hybrid metaheuristic approach to the university course timetabling problem.  - journal of heuristics.  18(1):1-23. 

abdullah, s. , turabieh, h..  (2012).  on the use of multi neighbourhood structures within a tabu-based memetic approach to university timetabling problems.  - information sciences.  191:146-168. 

othman, z., bakar, a.a., abdullah, s., zakree, m., nazri, a., sengalang, n.a..  (2012).  dynamic tabu search for dimensionality reduction in rough set.  - wseas transactions on computers.  11(4):89-100. 

hamza turabieh, salwani abdullah.  (2011).  an integrated hybrid approach to the examination timetabling problem.  - omega-international journal of management science.  39(6):598-607. 

mohd zakree ahmad nazri , siti mariyam shamsuddin, azuraliza abu bakar dan salwani abdullah.  (2011).  a hybrid approach for learning concept hierarchy from malay text using artificial immune network.  - natural computing : an international journal. volume 10, issue 1 (2011), page 275.  11047-010-9. 

malek alzaqebah and salwani abdullah.  (2011).  artificial bee colony search algorithm for examination timetabling problems.  - international journal of the physical sciences.  6(17):4264-4272. 

kharrousheh, a., abdullah, s., zakree, m., nazri, a..  (2011).  a modified tabu search approach for the clustering problem.  - journal of applied sciences.  11(19):3447-3453. 

abdullah s., shaker k., shaker h..  (2011).  investigating a round robin strategy over multi algorithms in optimising the quality of university course timetables.  - international journal of physical sciences.  6(6):1452-1462. 

abdullah s., golafshan l., nazri m.z.a..  (2011).  re-heat simulated annealing algorithm for rough set attribute reduction.  - international journal of physical sciences.  6(8):2083-2089. 

hamza turabieh, salwani abdullah and barry mccollum.  (2009).  electromagnetism-like mechanism with force decay rate great deluge for the course timetabling problem.  - rough sets and knowledge technology.  5589:479-504.