s.m. firdaus, a. arifin, s. abdullah, s.s.k. singh.  (2022).  detection of uniaxial fatigue stress under magnetic flux leakage signals using morlet wavelet.  - frattura ed integrità strutturale.  254-265. 

siti norbaya sahadan, shahrum abdullah, azli arifin, salvinder singh karam singh.  (2021).  assessing the magnetic flux leakage contraction parameters for the fatigue life prediction of sae1045 steel specimens.  - structures.  4077-4085. 

s. m. firdaus . a. arifin . s. abdullah . s. s. k. singh . n. md. nor.  (2021).  evaluating the damage mechanism characteristics for tower crane pulley using magnetic flux polar mapping distribution.  - journal of failure analysis and prevention.  2011-2020. 

n.h. anuar, s. abdullah, s.s.k. singh & a. arifin.  (2021).  characterisation of steel components fatigue life phenomenon based on magnetic flux leakage parameters.  - experimental techniques.  133-142. 

syed muhamad firdaus, azli arifin, siti norbaya sahadan, shahrum abdullah.  (2020).  detection of high stress concentration zone using magnetic flux leakage method.  - international journal of structural integrity.  615-624. 

m.i.m. ahmad, a. arifin, s. abdullah, w.z.w. jusoh, s.s.k. singh.  (2019).  the probabilistic analysis of fatigue crack effect based on magnetic flux leakage.  - international journal of reliability and safety.  18-30. 

s. r. ahmad, a. arifin, s. abdullah, m. f. m. yunoh.  (2018).  characterisation of stress intensity factor with magnetic flux signal leakage in stable fatigue crack growth region.  - journal of mechanical engineering.  . 

m. f. m. yunoh, s. abdullah, m. h. m. saad, z. m. nopiah, m. z. nuawi, a. ariffin.  (2018).  classification of fatigue damaging segments using artificial neural network.  - journal of mechanical engineering.  . 

m. mahmud, s. abdullah, s. s. k. singh, a. k. ariffin, z. m. nopiah and a. arifin.  (2018).  distribution characterisation of coil spring strain histories using mixed weibull analysis.  - international journal of engineering & technology.  . 

s.a.n. mohamed, s. abdullah, a. arifin, a.k. ariffin, and m.m. padzi.  (2016).  characterization of the biaxial fatigue behaviour on medium carbon steel using the strain-life approach.  - international journal of automotive and mechanical engineering.  3262-3277. 

m.i.m ahmad, a. arifin and s. abdullah.  (2015).  evaluation of magnetic flux leakage signals on fatigue crack growth of mild steel.  - journal of mechanical engineering and sciences.  1727 - 1733. 

a. arifin, w.z.w. jusoh, s. abdullah, n. jamaluddin and a.k. ariffin.  (2015).  investigating the fatigue failure characteristics of a283 grade c steel using magnetic flux detection..  - steel and composite structures.  601-614. 

m.i.m. ahmad, a. arifin, s. abdullah, w.z.w. jusoh and s.s.k. singh.  (2015).  fatigue crack effect on magnetic flux leakage for a283 grade c steel.  - steel and composite structure, an international journal.  1549-1560. 

azli ariffin, meor iqram meor ahmad,shahrum abdullah, wan zulhelmi wan jusoh.  (2015).  detection of cracked position due to cyclic loading for ferromagnetic materials based on magnetic memory method.  - jurnal teknologi.  67. 

a. ariffin, m. f. mat tahir, m. a. mohd sabri, s. abdullah, a. shamsudeen.  (2012).  development of ukm solar car "tuah" for shell eco-marathon asia 2011.  - international review of mechanical engineering.  6(3):671-674. 

m. a. mohd sabri, m. z. nuawi, a. arifin, m. f. mohd tahir, s. abdullah.  (2012).  study of correlation between strain and structural-borne ultrasonic signals on automobile engine.  - international review of mechanical engineering.  6(3):607-610. 

putra t.e., abdullah s., nuawi m.z., nopiah z.m., abdullah l., arifin a..  (2011).  extracted fatigue damaging events using the morlet wavelet-based algorithm.  - transactions hong kong institution of engineers.  18(1):22-29. 

s. abdullah, t. e. putra, m. z. nuawi, z. m. nopiah, a. arifin and l. abdullah.  (2010).  extracting fatigue damage features using stft and cwt.  - wseas transactions on signal processing.  6(3):91-100. 

s. abdullah, t. e. putra, m. z. nuawi, z. m. nopiah, a. arifin and l. abdullah.  (2010).  the morlet wavelet analysis for fatigue feature clustering.  - wseas transactions on mathematics.  9(5):345-354. 

s. abdullah, n. ismail, m. z. nuawi, m. z. nopiah & a. ariffin.  (2010).  using the hybrid kurtosis-based method to correlate strain and vibration signals.  - wseas transactions on signal processing.  6(3):79-90. 

z. m. nopiah, m. i. khairir, s. abdullah, m. n. baharin, and a. arifin.  (2010).  time complexity estimation and optimisation of the genetic algorithm clustering method.  - wseas transactions on mathematics.  9(5):334-344. 

z. m. nopiah, m. n. baharin, s. abdullah, m. i. khairir and a. ariffin.  (2010).  running damage extraction technique for identifying fatigue damaging events.  - wseas transactions on mathematics.  9(5):324-333.