muhammad khiratti mat zainal, amy kia cheen liew, dalia abdullah, eason soo, badrulzaman abdul hamid, roza anon mohd ramlee.  (2024).  changes in oral functions and speech when using custom-fitted mouthguards: an uncontrolled before-and-after study.  - dental traumatology.  460 - 469. 

jhanani s.nagaraja, badrulzaman abdul hamid, nashrah maamor.  (2024).  phonological acquisition process in hearing-impaired children: a systematic review.  - gema online journal of language studies .  131 - 151. 

khalid altamimi, badrulzaman abdul hamid, hasherah mohd ibrahim.  (2024).  transition deficit in jordanian arabic stuttered speech: an acoustic analysis of word-medial geminate consonants *.  - jordan journal of modern languages and literatures .  673 - 689. 

chong foong yen; cila umat; mak kah kei; goh yan jin goh; badrulzaman abdul hamid; and goh bee see.  (2022).  semi-automating a mandarin pediatric speech perception test for use by non-mandarin speaking audiologists: a preliminary study.  - malaysian journal of public health medicine.  25. 

farheen naz anis, cila umat, kartini ahmad, badrulzaman abdul hamid.  (2022).  arabic phoneme-grapheme correspondence by non-native, deaf children with cochlear implants and normal hearing children.  - cochlear implants international.  347-357. 

badrulzaman abdul hamid, chong jin yee and hasherah mohd ibrahim.  (2022).  acoustic analysis of voicing contrast in malay word-initial plosives produced by mandarin-speaking children.  - pertanika journal of social sciences and humanities.  1673-1689. 

khan kam, law, badrulzaman.  (2021).  speech effect of fixed labial orthodontic appliance in patient with class iii incisor relationship.  - international journal of dentistry and oral science (ijdos).  2277-2282. 

zur hanis hamim,rogayah abdul razak, badrulzaman abdul hamid.  (2021).  the morphosyntactic abilities of bilingual malay preschool children based on the malay and english sentence repetition tasks.  - pertanika journal of social sciences & humanities.  71-90. 

amy kia cheen liew, dalia abdullah, karyn zuhuan ter, shirley puah, hui yee chan, eason soo, badrulzaman abdul hamid.  (2020).  articulatory distortions when using different types of mouthguard.  - sains malaysiana.  1651-1656. 

badrulzaman abdul hamid, hasherah mohd ibrahim, nuraini farhana keria.  (2020).  analisis pola masa mula suara konsonan plosif bahasa melayu yang dihasilkan oleh penutur mandarin dewasa.  - gema onlineŽ journal of language studies.  55-73. 

farheen naz anis, cila umat, kartini ahmad & badrulzaman abdul hamid.  (2019).  patterns of recognition of arabic consonants by non-native children with cochlear implants and normal hearing.  - cochlear implants international.  . 

zhang xuan, suhaila zainudin, badrulzaman abdul hamid.  (2019).  interactive book app in bahasa melayu for typically developing children aged from four to six as a speech therapy aid.  - journal of theoretical and applied information technology.  3819-3832. 

fadhilah rosdi,mumtaz begum mustafa,siti salwah salim, badrulzaman abdul hamid.  (2017).  the effect of changes in speech features on the recognition accuracy of asr system: a study on the malay speech impaired children.  - malaysian journal of computer science.  48-62. 

chong fy, abdol n, mazlan r, lee ow, hamid ba.  (2017).  the development of mandarin fricative-affricate nonsense word test : part i. quality judgement and acoustic analysis.  - medical journal of malaysia.  52. 

abduljalil radman, nasharuddin zainal, cila umat, badrulzaman abdul hamid.  (2015).  effective arabic speech segmentation strategy.  - jurnal teknologi (sciences & engineering).  9-13. 

hua-nong ting, alireza zourmand, see-yan chia, boon- fei yong and badrulzaman abdul hamid..  (2012).  formant frequencies of malay vowels produced by malay children aged between 7 and 12 years.  - journal of voice.  26(5).664 e1-6. 

hua-nong ting, see-yan chia, hany hazfiza manap, ai-hui ho, kian-yean tiu, badrulzaman abdul hamid.  (2012).  fundamental frequency and perturbation measures of sustained vowels in malaysian malay children between 7 and 12 years old.  - journal of voice.  425-430. 

hua nong ting, see yan chia, kang soo kim, siew ling sim, and badrulzaman abdul hamid..  (2011).  vocal fundamental frequency and perturbation measurements of vowels by normal malaysian chinese adults.  - journal of voice.  25(6):311-317. 

hua nong ting, see yan chia, badrulzaman abdul hamid, siti zamratol-mai sarah mukari.  (2011).  acoustic characteristics of vowels by normal malaysian malay young adults.  - journal of voice.  25(6):e305-e309.