siti nasuha mustaffa, p. susthitha menon, mohd zulhakimi ab razak, muhamad hakim izani, afiq arif aminuddin jafry, sulaiman wadi harun, ahmad razif muhammad.  (2025).  tailoring waist diameter of tapered optical fiber coated with mxene ti3c2tx for enhanced relative humidity sensing.  - fiber and integrated optics.  347 - 364. 

sazan ali kamal mohammed, mohd zulhakimi ab razak, abdul hadi abd rahman, maria abu bakar.  (2024).  an efficient intersection over union algorithm for 3d object detection.  - ieee access.  169768 - 169786. 

hazlihan haris, malathy batumalay, tan sin jin, ahmad razif muhammad, arni munira markom, caroline livan anyi, muhamad hakim izani, mohd. zulhakimi ab. razak, megat muhammad ikhsan megat hasnan, ismail saad.  (2023).  ultrafast l band soliton pulse generation in erbium-doped fiber laser based on graphene oxide saturable absorber.  - crystals.  1-8. 

sazan ali kamal mohammed, mohd zulhakimi ab razak, abdul hadi abd rahman.  (2023).  3d-diou: 3d distance intersection over union for multi-object tracking in point cloud.  - sensors.  1-15. 

siti nasuha mustaffa, affa rozana abdul rashid, tan sin jin, p. susthitha menon, mohd zulhakimi ab razak, arni munira markom, hazlihan haris, ismail saad, ahmad razif muhammad.  (2023).  metal oxide coated optical fiber for humidity sensing application: a review.  - ieee access.  1-33. 

nur adliha abdullah, mohd zulhakimi ab. razak, tengku hasnan tengku abdul aziz, muhamad mat salleh.  (2025).  peningkatan isyarat sers berdasarkan pemerangkapan foton oleh nanorod zno vertikal terbantu suhu untuk aplikasi ckd.  - sains malaysiana.  1167 - 1175. 

mohd afiq ismail, mohd zulhakimi ab razak, sulaiman wadi harun, abdul manaf hashim.  (2021).  reduction-controlled graphene oxide saturable absorbers and its effect on ultrashort er-doped fibre laser.  - iet optoelectronics.  1-8. 

saaidal r azzuhri, zh azizul, mr z'aba, r zakaria, mam salim, mza razak, is amiri.  (2020).  investigation of u-shaped microfiber temperature sensor using a combination of thermal expansion of a metal and reflectivity of a silver coated mirror.  - optik.  1-10. 

michelle lim sern mi, md shabiul islam, sawal hamid md ali, mohd zulhakimi ab razak, yeo kim heng, wong hin yong.  (2020).  sub-threshold start-up circuit with dynamic body-biasing for boost converters in thermoelectric energy harvesting.  - sadhana-academy proceedings in engineering sciences.  1-11. 

muhammad aizi mat salim, mohd zulhakimi ab razak, saaidal razalli azzuhri, mohd afiq ismail, fauzan ahmad, sulaiman wadi harun.  (2019).  generation of microsecond ytterbium-doped fiber laser pulses using bismuth telluride thin film as saturable absorber.  - sains malaysiana.  1289-1294. 

siti nasuha mustaffa, p. susthitha menon, mohd zulhakimi ab razak, muhamad hakim izani, afiq arif aminuddin jafry, sulaiman wadi harun, ahmad razif muhammad.  (2025).  tailoring waist diameter of tapered optical fiber coated with mxene ti3c2tx for enhanced relative humidity sensing.  - fiber and integrated optics.  347 - 364. 

nur adliha abdullah, mohd zulhakimi ab. razak, tengku hasnan tengku abdul aziz, muhamad mat salleh.  (2025).  peningkatan isyarat sers berdasarkan pemerangkapan foton oleh nanorod zno vertikal terbantu suhu untuk aplikasi ckd.  - sains malaysiana.  1167 - 1175. 

n.a. abdullah, m.z.a. razak, t.h.t. aziz, a.r.m. zain, m.s.m. jamil, m.m. salleh.  (2025).  hot electron-driven sers enhancement of non-sers-active creatinine using ag-decorated zno nanorods.  - results in chemistry.  1 - 10. 

sazan ali kamal mohammed, mohd zulhakimi ab razak, abdul hadi abd rahman, maria abu bakar.  (2024).  an efficient intersection over union algorithm for 3d object detection.  - ieee access.  169768 - 169786. 

siti nasuha mustaffa, affa rozana abdul rashid, tan sin jin, p. susthitha menon, mohd zulhakimi ab razak, arni munira markom, hazlihan haris, ismail saad, ahmad razif muhammad.  (2023).  metal oxide coated optical fiber for humidity sensing application: a review.  - ieee access.  1-33. 

nor syahira mohd tombel, mohd zulhakimi ab razak.  (2024).  design of low-cost optical flow-rate sensor using led-photodiode pair for portable peritoneal dialysis module.  - 2024 ieee 1st international conference on communication engineering and emerging technologies.  1 - 4. 

sazan a. k. mohammed; abdul h. a. rahman; maria a. bakar; mohd z. a razak.  (2024).  an efficient intersection over union algorithm with angle orientation for an improved 3d object detection.  - 2024 ieee international conference on artificial intelligence in engineering and technology (iicaiet).  312 - 316. 

sazan mohammed, mohd zulhakimi ab razak, abdul hadi abd rahman.  (2022).  using efficient iou loss function in pointpillars network for detecting 3d object.  - 2022 iraqi international conference on communication and information technologies (iiccit).  361-366. 

sazan mohammed, mohd zulhakimi ab razak, abdul hadi abd rahman.  (2022).  an efficient intersection over union loss function for 3d object detection.  - 2022 iraqi international conference on communication and information technologies (iiccit).  38-43. 

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. 

nur adliha abdullah, mohd zulhakimi ab. razak, tengku hasnan tengku abdul aziz, muhamad mat salleh.  (2025).  peningkatan isyarat sers berdasarkan pemerangkapan foton oleh nanorod zno vertikal terbantu suhu untuk aplikasi ckd.  - sains malaysiana.  1167 - 1175. 

azman bin jalar @ jalil;mohd zulhakimi bin ab razak @ mamat;maria binti abu bakar.  (2021).  mikrostruktur dan sifat superplastik aloi pateri bebas plumbum.  - .  . 

mohd zulhakimi abdul razak, mohd farhanulhakim mohd razip wee, muhamad ramdzan buyong, sawal hamid md ali, teh chin hoong, jumadi abdul sukor, ahmad ghadafi ismail.  (2019).  kesan sistematik modifikasi dielektrik dengan asid fosfonik alkil ekalapisan terhadap prestasi transistor filem nipis organik saluran-n.  - sains malaysiana.  1295-1300. 

mohd zulhakimi ab razak,abdul hafiz mat sulaiman, and nor syahira mohd tombel.  (2024).  design challenges in the development of portable peritoneal dialysis prototype module in malaysia.  - bio4 expanding the horizon.  58 - 59. 

ahmad ghadafi bin ismail;azman bin jalar @ jalil;abang annuar ehsan;mohd zulhakimi bin ab razak @ mamat.  (2022).  hybrid patterning of organic semiconducting materials using numerical control milling and laser beam.  - .  . 

ahmad ghadafi bin ismail;azman bin jalar @ jalil;abang annuar ehsan;mohd farhanulhakim bin mohd razip wee;mohd zulhakimi bin ab razak @ mamat.  (2022).  enhanced micro-scale computer numerical control milling and laser ablation to pattern organic semiconductors .  - .  . 

ahmad ghadafi bin ismail;azman bin jalar @ jalil;mohd zulhakimi bin ab razak @ mamat;teh chin hoong.  (2021).  thiophene-based organic thin film transistors.  - .  . 

azman bin jalar @ jalil;mohd zulhakimi bin ab razak @ mamat;maria binti abu bakar.  (2021).  penentuan sifat kesuperplastikan bagi bahan aloi pateri hijau.  - .  .