nurul syakirah nazri, ahmad fudholi, muslizainun mustapha, mohd fadhli shah khaidzir, muhamad hafiz hamsan, kar keng lim, afifuddin husairi hussain, ubaidah syafiq, amir azirul bin narulhizam, masita mohammad, nurul nazli rosli, kamaruzzaman sopian.  (2024).  bridging the gap: a comparative analysis of indoor and outdoor performance for photovoltaic-thermal-thermoelectric hybrid systems.  - case studies in thermal engineering.  1 - 20. 

naif h. al-hardan, muhammad azmi abdul hamid, mohd firdaus-raih, azman jalar, ain zafirah kamaruddin, lim kar keng, ensaf mohammed al-khalqi, naser m. ahmed.  (2024).  titanium dioxide ion-sensitive extended gate field effect transistor (isegfet): selective detection of potassium ions in artificial blood serum.  - journal of materials science: materials in electronics.  1-16. 

m.h. hamsan, a.a. azli, s.b. aziz, n.a. shamsuri, m.f.z. kadir, n.s. nazri, l.k. keng, h.f.m. zaid, m.f. shukur..  (2024).  characterization of methylcellulose based composite polymer electrolytes reinforced with reduced-graphene oxide.  - materials science & engineering b.  11731. 

ensaf mohammed alkhalqi, muhammad azmi abdul hamid, naif h. alhardan, lim kar keng, azman jalar.  (2022).  magnesium doped zno nanorod electrolyte-insulator-semiconductor (eis) sensor for detecting organic solvents..  - ieee sensors journal.  11783-11790. 

n.ismail, a.atiqah, a.jalar, m.a.bakar, r.a.a.rahim, a.g.ismail, a.a.hamzah, l.k.keng.  (2022).  a systematic literature review: the effects of surface roughness on the wettability and formation of intermetallic compound layers in lead-free solder joints.  - journal of manufacturing processes.  68-85. 

naif h. al-hardan, muhammad azmi abdul hamid, mohd firdaus-raih, lim kar keng, ensaf mohammed al-khalqi, azman jalar.  (2021).  calcium ion-selective electrode based on the facile synthesis of cuo over cu wires.  - journal of materials science: materials in electronics.  1-12. 

ensaf mohammed. al-khalqi, muhammad azmi abdul hamid, roslinda shamsudin, naif h. al-hardan, lim kar keng, azman jalar.  (2021).  zinc oxide nanorods electrolyte insulator semiconductor sensors for enhanced 2-methoxythanol selectivity.  - ieee sensors journal.  6234-6240. 

naif h. al-hardan, muhammad azmi abdul hamid, lim kar keng, ensaf mohammed al-khalqi, azman jalar, wee siong chiu.  (2021).  low-cost fabrication of a ph sensor based on writing directly over parchment-type paper with pencil.  - journal of materials science: materials in electronics.  9431-9439. 

ensaf mohammed al-khalqi, muhammad azmi abdul hamid, naif h. al-hardan, lim kar keng.  (2021).  highly sensitive magnesium-doped zno nanorod ph sensors based on electrolyte-insulator-semiconductor (eis) sensors.  - sensors.  1-16.