nur hilwani, ibrahim siti fatimah, mokhtar mohd helmy, yahaya azyani, zulkefli aini farzana, ankasha sheril june, osman khairul.  (2023).  modulation of vulvovaginal atrophy (vva) by gelam honey in bilateral oophorectomized rats.  - frontiers in endocrinology.  1-13. 

jaffar farah hanan fathihah, osman khairul, hui chua kien, zulkefli aini farzana, ibrahim siti fatimah.  (2022).  long term wi-fi exposure from pre-pubertal to adult age on the spermatogonia proliferation and protective effects of edible bird's nest supplementation.  - frontiers in physiology.  199-209. 

maluin sofwatul mokhtarah, osman khairul, jaffar farah hanan fathihah, ibrahim siti fatimah.  (2021).  effect of radiation emitted by wireless devices on male reproductive hormones: a systematic review.  - frontiers in physiology.  1-8. 

farah hanan fathihah jaffar, khairul osman, chua kien hui, aini farzana zulkefli and siti fatimah ibrahim.  (2021).  edible bird's nest supplementation improves male reproductive parameters of sprague dawley rat.  - frontiers in pharmacology.  1-6. 

farah hanan fathihah jaffar, khairul osman, chua kien hui, aini farzana zulkefli and siti fatimah ibrahim.  (2021).  edible bird's nest supplementation improves male reproductive parameters of sprague dawley rats.  - frontiers in pharmacology.  21-26. 

noor hazfalinda hamzah, mohd faizal abdul rahman, gina francesca gabriel & khairul osman.  (2022).  detection vapour of nitrate fertiliser based explosives on transportation of nitrates during shipping using diphenylamine-calorimeter optic device.  - sains malaysiana.  2955-2966. 

farah dayana rosli, noor hashida hashim, yusmin mohd yusuf, khairul osman, siti fatimah ibrahim, nurul kabir.  (2019).  thymoquinone enhances sperm dna integrity in nicotine-induced infertile male rats.  - tropical journal of pharmaceutical research.  1219-1225. 

farah hanan fathihah jaffar, khairul osman, nur hilwani ismail, kok-yong chin and siti fatimah ibrahim.  (2019).  adverse effects of wi-fi radiation on male reproductive system: a systematic review.  - tohoku journal of experimental medicine.  169-179. 

farah dayana rosli, noor hashida hashim, khairul osman, siti fatimah ibrahim, nurul kabir..  (2019).  ameliorative effects of thymoquinone on sperm parameters and testosterone level of nicotine-treated sprague dawley rats.  - brazilian archives of biology and technology.  1-11. 

lina s., eliza h., hashida n. h., ibrahim s. f., osman k..  (2018).  androgen receptor and ultrastructural features of nigella sativa oil and nicotine-treated male rat reproductive glands.  - sains malaysiana.  . 

mohd najib sam, glenna tan jie yee, noor hazfalinda hamzah, mohd zulkarnain embi, ahmad zamri md rejab, gina francesca gabriel, khairul osman.  (2023).  effects of shooting angles and ricochet angles on bullet weight upon impact on three types of woods (balau, resak, and seraya).  - pertanika journal of science & technology.  1475-1491. 

nur hilwani, ibrahim siti fatimah, mokhtar mohd helmy, yahaya azyani, zulkefli aini farzana, ankasha sheril june, osman khairul.  (2023).  modulation of vulvovaginal atrophy (vva) by gelam honey in bilateral oophorectomized rats.  - frontiers in endocrinology.  1-13. 

noor hazfalinda hamzah, mohd faizal abdul rahman, gina francesca gabriel & khairul osman.  (2022).  detection vapour of nitrate fertiliser based explosives on transportation of nitrates during shipping using diphenylamine-calorimeter optic device.  - sains malaysiana.  2955-2966. 

jaffar farah hanan fathihah, osman khairul, hui chua kien, zulkefli aini farzana, ibrahim siti fatimah.  (2022).  long term wi-fi exposure from pre-pubertal to adult age on the spermatogonia proliferation and protective effects of edible bird's nest supplementation.  - frontiers in physiology.  199-209. 

noor hazfalinda hamzah, gina francesca gabriel, nurul syuhada haron, khairul osman, nur mahiza md isa.  (2021).  digital approach for gender discrimination from lip prints analysis in malaysian chinese population (klang valley).  - international journal of medical toxicology & legal medicine.  229-233. 

choong-yeun liong, loong-chuen lee, khairul osman, and abdul aziz jemain.  (2016).  genetic algorithms for wavenumber selection in forensic differentiation of paper by linear discriminant analysis.  - aip conference proceedings / johor bahru, malaysia.  1-7. 

loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  effects of scatter-correction pre-processing methods and spectral derivative algorithms on forensic classification of paper.  - aip conference proceedings / johor bahru, malaysia.  1-9. 

loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  forensic differentiation of paper by atr-ftir spectroscopy technique and partial least squares-discriminant analysis (pls-da).  - aip conference proceedings / johor bahru, malaysia.  1-7. 

loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  comparison of several variants of principal component analysis (pca) on forensic analysis of paper based on ir spectrum.  - aip conference proceedings / johor bahru, malaysia.  1-7. 

farah hanan fathihah jaffar, siti fatimah ibrahim, khairul osman, chua kien hui.  (2023).  wi-fi dan sistem pembiakan lelaki: pencegahan menggunakan sarang burung walit.  - .  167. 

nur azwa azman, noor hazfalinda hamzah, khairul osman & gina francesca gabriel.  (2023).  koleksi penyelidikan prasiswazah fakulti sains kesihatan ukm edisi 2022: mendepani penyelidikan sains kesihatan.  - .  6. 

noor hazfalinda hamzah, goh yee ze, khairul osman, gina francesca gabriel, seri mirianti ishar, rus dina rus din & nur mahiza md isa.  (2023).  koleksi penyelidikan prasiswazah fakulti sains kesihatan ukm edisi 2022: mendepani penyelidikan sains kesihatan.  - .  6. 

khairul osman, glenna tan jie yee, najib sam, gina francesca gabriel & noor hazfalinda hamzah.  (2023).  koleksi penyelidikan prasiswazah fakulti sains kesihatan ukm edisi 2022: mendepani penyelidikan sains kesihatan.  - .  4. 

gina francesca gabriel, khairul osman, noor hazfalinda hamzah.  (2022).  in the line of fire: fire debris analysis in a forensic setting.  - .  143. 

khairul osman, glenna tan jie yee, najib sam, gina francesca gabriel & noor hazfalinda hamzah.  (2023).  koleksi penyelidikan prasiswazah fakulti sains kesihatan ukm edisi 2022: mendepani penyelidikan sains kesihatan.  - .  4. 

noor hazfalinda hamzah, darishini manimaran, khairul osman, gina francesca gabriel, seri mirianti ishar & rus dina rus din.  (2023).  koleksi penyelidikan prasiswazah fakulti sains kesihatan ukm edisi 2022: mendepani penyelidikan sains kesihatan.  - .  5. 

nur azwa azman, noor hazfalinda hamzah, khairul osman & gina francesca gabriel.  (2023).  koleksi penyelidikan prasiswazah fakulti sains kesihatan ukm edisi 2022: mendepani penyelidikan sains kesihatan.  - .  6. 

noor hazfalinda hamzah, goh yee ze, khairul osman, gina francesca gabriel, seri mirianti ishar, rus dina rus din & nur mahiza md isa.  (2023).  koleksi penyelidikan prasiswazah fakulti sains kesihatan ukm edisi 2022: mendepani penyelidikan sains kesihatan.  - .  6. 

farah hanan fathihah jaffar, siti fatimah ibrahim, khairul osman, chua kien hui.  (2023).  wi-fi dan sistem pembiakan lelaki: pencegahan menggunakan sarang burung walit.  - .  167. 

gina francesca gabriel, khairul osman, noor hazfalinda hamzah.  (2022).  in the line of fire: fire debris analysis in a forensic setting.  - .  143. 

khairul osman, noor hazfalinda hamzah, gina francesca gabriel, amidon anan.  (2022).  a partial crime scene reconstruction of muhammad adib and aminulrasyid amzah death.  - .  101. 

ahmad rohi g, anisah n, asmah h, mahanem mn, hassan md, mohd hafiz s, john shia ks, kamisah y, khairul o, low kc, mohd hanafi ad, norazrina a, nur azlina mf, siti balkis b, siti fatimah i, tay st, vivian jg, zamirah za, chen hc.  (2022).  universiti kebangsaan malaysia ethical principles and guidelines on the use of laboratory animals.  - .  93. 

ahmad rohi ghazali, anisah nordin, asmah hamid, kamisah yusof, khairul osman, low kiat cheong, mohd hanafi ahmad damanhuri, norazrina azmi, nur azlina mohd fahami, siti balkis budin, siti fatimah ibrahim, tay sun tee, zamirah zainal abidin.  (2020).  prinsip dan garis panduan etika penggunaan haiwan makmal universiti kebangsaan malaysia.  - .  94. 

mohd fahmi bin ghazali;khairul bin osman;wong wai yan.  (2024).  new measures of performance index of academicians.  - .  . 

seri mirianti binti ishar;khairul bin osman;noor hazfalinda binti hamzah;rus dina binti rus din.  (2023).  determination of mtdna variants using allele specific pcr for human identification.  - .  . 

noor hazfalinda binti hamzah;khairul bin osman;seri mirianti binti ishar;gina francesca gabriel;rus dina binti rus din.  (2023).  pembinaan satu model baharu (modelling) untuk mengesan tembakan peluru menggunakan pistol tangan dan 9mm peluru ke atas struktur kayu.  - .  . 

gina francesca gabriel, suvitraa paramasivam, nurul syafiqah noor azmi, noor hazfalinda hamzah and khairul osman.  (2022).  the analysis of weathered gasoline residue across different soils in malaysia.  - national forensic science symposium (nfss) 2022.  34-35. 

rus dina rus din, hannarida abdul moin, seri mirianti ishar, noor hazfalinda hamzah, gina francesca gabriel, nor atikah nasir, khairul osman.  (2022).  shoeprint dimensions as individual stature predictor: preliminary study.  - national forensic science symposium 2022.  1.