ghufran aqeel asif, nur hazliza ariffin, norazreen ab aziz, mohd hadri hafiz mokhtar, norhana arsad.  (2024).  true north measurement: a comprehensive review of carouseling and maytagging methods of gyrocompassing.  - measurement.  1-16. 

marisa kiong, asma ashari, nurul syahira mohamad zamani, reuben axel how wee ming, rohaya megat abdul wahab, alizae marny fadzlin syed mohamed, heejeong jasmine lee, mohd hadri hafiz mokhtar.  (2024).  effect of attachment flash on clear aligner force delivery an in-vitro study.  - bmc oral health.  1-4. 

yang sing leong, mohd hadri hafiz mokhtar, nur afifah ahmad nazri, mohd hafiz abu bakar, mohd saiful dzulkefly zan, norhana arsad, peer mohamed abdul, ahmad ashrif a. bakar.  (2024).  discriminative spatial localisation in confocal reflectance and carbon dots-based fluorescence imaging using mixed-mode endoscopic scanner.  - international journal of optomechatronics.  1-19. 

rozita sulaiman, nur hidayah azeman, mohd hadri hafiz mokhtar, nadhratun naiim mobarak, mohd hafiz abu bakar, ahmad ashrif a. bakar.  (2024).  hybrid ensemble-based machine learning model for predicting phosphorus concentrations in hydroponic solution.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  1-11. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, farinawati yazid, ahmad ashrif a. bakar.  (2024).  enhancement of in-vitro cellular structure morphology imaging using multiwavelength confocal endoscopic scanner.  - alexandria engineering journal.  14-24. 

ahmed sabri kadhim almoosa, mohd saiful dzulkefly zan, mohd faisal ibrahim, norhana arsad, mohd hadri hafiz mokhtar, ahmad ashrif a. bakar, and yu. a. konstantinov.  (2023).  enhancing the temperature-measurement efficiency in the brillouin optical time-domain reflectometry (botdr) fiber sensor with the k-nearest neighbor (k-nn) algorithm.  - instruments and experimental techniques.  745-752. 

juwadi prak ser, lee chia cheng, farah shahrim, ahmad ashrif a bakar ,m.h.h mokhtar.  (2019).  identification of experimental back-scattered signal for optical fibre resonant scanner.  - jurnal kejuruteraan.  169-175. 

noorfazila kamal, siti s. mokri, norazreen a. aziz, norhana arsad, iskandar yahya, ashrani a. a. rahni, mohd h. h. mokhtar.  (2017).  external assessors perception towards final year project.  - journal of engineering science and technology.  22-30. 

ghufran aqeel asif, nur hazliza ariffin, norazreen ab aziz, mohd hadri hafiz mokhtar, norhana arsad.  (2024).  true north measurement: a comprehensive review of carouseling and maytagging methods of gyrocompassing.  - measurement.  1-16. 

marisa kiong, asma ashari, nurul syahira mohamad zamani, reuben axel how wee ming, rohaya megat abdul wahab, alizae marny fadzlin syed mohamed, heejeong jasmine lee, mohd hadri hafiz mokhtar.  (2024).  effect of attachment flash on clear aligner force delivery an in-vitro study.  - bmc oral health.  1-4. 

yang sing leong, mohd hadri hafiz mokhtar, nur afifah ahmad nazri, mohd hafiz abu bakar, mohd saiful dzulkefly zan, norhana arsad, peer mohamed abdul, ahmad ashrif a. bakar.  (2024).  discriminative spatial localisation in confocal reflectance and carbon dots-based fluorescence imaging using mixed-mode endoscopic scanner.  - international journal of optomechatronics.  1-19. 

rozita sulaiman, nur hidayah azeman, mohd hadri hafiz mokhtar, nadhratun naiim mobarak, mohd hafiz abu bakar, ahmad ashrif a. bakar.  (2024).  hybrid ensemble-based machine learning model for predicting phosphorus concentrations in hydroponic solution.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  1-11. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, farinawati yazid, ahmad ashrif a. bakar.  (2024).  enhancement of in-vitro cellular structure morphology imaging using multiwavelength confocal endoscopic scanner.  - alexandria engineering journal.  14-24. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, mamum b. i. reaz and ahmad ashrif a bakar.  (2022).  distortion-free multiwavelength imaging operation of endoscopic scanning microscopy.  - 2022 ieee 9th international conference on photonics (icp).  41-42. 

yang sing leong, ahmad ashrif a bakar, mohd saiful dzulkefly zan,norhana arsad, mamun bin ibne reaz, mohd hadri hafiz mokhtar.  (2021).  frequency and phase drift in scanning trajectory for endoscopic imaging system.  - 2021 international conference on electrical engineering and informatics (iceei).  1-4. 

mohd saiful dzulkefly zan*, mohamed m elgaud, azri razlan zainuddin, ahmed sabri kadhim, mohd hadri hafiz mokhtar, norhana arsad and ahmad ashrif a. bakar.  (2021).  simulation analysis on the simultaneous deployment of brillouin gain and loss in coded brillouin optical time domain analysis (botda) fiber sensor.  - international laser technology and optics symposium 2020 (ilatos2020).  1-4. 

meng chung leong, wen yan lam, mohd saiful dzulkefly zan, norhana arsad, ahmad ashrif a bakar, mohd hadri hafiz mokhtar.  (2020).  contactless vibration sensing and acoustics wave detection based on laser feedback interferometer.  - 2020 ieee 8th international conference on photonics (icp).  91-92. 

mohd saiful dzulkefly zan, mohamed m elgaud, abdulfatah abushagur ghaith abushagur, abdulwahhab essa hamzah, jessica wei shan teo, wei yi kiew, mohd hadri hafiz mokhtar, norhana arsad and ahmad ashrif a. bakar.  (2020).  spatial resolution enhancement of time domain multiplexing fiber bragg grating sensor by employing differential golay codes.  - 2020 ieee 8th international conference on photonics (icp).  54-55. 

mohd hairi mohd zaman, mohd hadri hafiz mokhtar, mohd faisal ibrahim, aqilah baseri huddin, gan kok beng.  (2020).  teori dan inovasi pengajaran dan pembelajaran: menyusuri pandemik covid-19.  - .  11. 

marisa kiong, asma ashari, reuben axel how wee ming, rohaya megat abdul wahab, alizae marny fadzlin syed mohamed, mohd hadri hafiz mokhtar.  (2023).  effect of attachment flash on clear aligner force delivery: an in vitro study.  - 29th malaysian association of orthodontists international scientific conference & trade exhibition (maoiscte).  1. 

ahmad ashrif bin a bakar;ahmad rifqi bin md zain;mohd hadri hafiz bin mokhtar.  (2023).  advancement of optical microfiber sensor based on structure modification and sensing techniques for smart farming..  - .  . 

mohd saiful dzulkefly bin zan;norhana binti arsad;ahmad ashrif bin a bakar;mohd hadri hafiz bin mokhtar.  (2023).  cross-spectral analysis for narrowed brillouin spectrum width and centimeter-order spatial resolution measurements in brillouin optical time domain reflectometry (botdr) fiber sensor.  - .  . 

kiong, m., ashari, a., zamani, n.s.m., how, r.a.w.m., wahab, r.m.a., mohamed a.m.f.s., mokhtar, m.h.h.  (2023).  effect of attachment flash on clear aligner force delivery: an in vitro study.  - research, innovation and entrepreneurship international symposium.  49. 

asma binti ashari;alizae marny fadzlin bt. syed mohamed;rohaya binti megat abdul wahab;sawal hamid bin md ali;gan kok beng;mohd hadri hafiz bin mokhtar.  (2023).  topographical and tactile force measurement of clear aligners with composite attachments.  - .  .