muhammad aizi mat salim, mohd afiq ismail, mohd zulhakimi ab razak, saaidal razalli azzuhri.  (2020).  generation of ultrafast erbium-doped fiber laser (edfl) utilizing graphene thin film.  - international laser technology and optics symposium 2019 (ilatos2019).  1-7. 

azman jalar, maria abu bakar, mohd. zulhakimi ab. razak, norliza ismail.  (2020).  morphological effect on the intermetallic compound layer growth kinetics of metallurgical joining.  - 30th regional conference of solid state science and technology (solid state phenomena).  26-30.