anuar mohamad, hizlinda tohid, saharuddin ahmad, seng fah tong, mahadir ahmad.  (2021).  risk perception for developing erectile dysfunction among malaysian men with type 2 diabetes mellitus.  - kesmas: jurnal kesehatan masyarakat nasional.  51-58. 

mohd izzuddin hairol, naufal nordin, jacqueline png, sharanjeet-kaur, sumithira narayanasamy, manisah mohd-ali, mahadir ahmad & masne kadar.  (2021).  association between reduced visual-motor integration performance and socioeconomic factors among preschool children in malaysia: a cross-sectional study.  - plos one.  1-16. 

harenthri devy alagir rajah, chie qiu ting, mahadir ahmad, wun chin leong, nirmala bhoo-pathy, caryn mei hsien chan.  (2021).  reliability and validity of the brief illness perception questionnaire in bahasa malaysia for patients with cancer.  - asia pacific journal of cancer prevention.  2487-2492. 

noor azizah abdul wahab, mohd makmor bakry, mahadir ahmad, zaswiza mohamad noor, adliah mhd ali.  (2021).  exploring culture, religiosity and spirituality influence on antihypertensive medication adherence among specialised population: a qualitative ethnographic approach.  - patient preference and adherence.  2249-2265. 

naniyati shuib, mahadir ahmad, zubaidah jamil osman, muhammad najib mohamad alwi.  (2020).  validation of the malay version of the social functioning scale (sfs) for schizophrenia.  - international journal of psychosocial rehabilitation.  2508-2521. 

ernieda hatah, nadiah rahim, mohd makmor-bakry, noraida mohamed shah, noraini mohamad, mahadir ahmad, nor hasni haron, choe sze hwe, angeline tan meng wah, fahmi hassan, shakirin shaik rahmat, sarah ann robert, noraidatulakma abdullah.  (2020).  development and validation of malaysia medication adherence assessment tool (mymaat) for diabetic patients.  - plos one.  1-17. 

mahadir ahmad , nur syafiqa balqis md. din , ruthra devi tharumalay , normah che din ,norhayati ibrahim , noh amit , nor mf farah, rose azzlinda osman, mohamed faisal abdul hamid, ibnor azli ibrahim, ezad azraai jamsari, mohd rizal palil & sha'ari ahmad.  (2020).  the effects of circadian rhythm disruption on mental health and physiological responses among shift workers and general population.  - international journal of environmental research & public health.  1-16. 

normah che din, liana mohd nawi, shazli ezzat ghazali, mahadir ahmad, norhayati ibrahim, zaini said, noh amit and ponnusamy subramaniam.  (2019).  preliminary analysis of the factor structure, reliability and validity of an obsessive-compulsive disorder screening tool for use with adults in malaysia.  - international journal of environmental research and public health.  1-11. 

yoke yong chen, mahadir ahmad & fuad bin ismail.  (2019).  illness acceptance as mediator for cancer-related complaints and psychological distresses among malaysian cancer patients.  - future oncology.  1759-1770. 

naniyati shuib, mahadir ahmad, zubaidah jamil osman and muhammad najib mohamad alwi.  (2019).  the web-based processing speed training and remediation in psychosis.  - international journal of advanced science and technology.  1896-1906. 

norhayati ibrahim, normah che din, mahadir ahmad, noh amit, shazli ezzat ghazali, suzaily wahab, nor ba'yah abdul kadir, fatimah wati halim, mohd radzi tarmizi a. halim.  (2019).  the role of social support and spiritual wellbeing in predicting suicidal ideation among marginalized adolescents in malaysia.  - bmc public health.  1-8. 

agnes chong shu sze, normah che din, mahadir ahmad, norhayati ibrahim, rogayah abdul razak & pheh kai shuen.  (2018).  phonological awareness and global visual spatial ability among malay speaking children with specific learning disorder with dyslexia.  - malaysian journal of public health medicine.  115-124. 

nur liyana ishak, sharanjeet-kaur, saadah mohamed akhir, mahadir ahmad, abdul mutalib o.  (2018).  identification of risk factors for myopia questionnaire in the malay language among primary school children in malaysia.  - international medical journal malaysia.  . 

chen yoke yong & mahadir ahmad.  (2018).  effectiveness of adjunct psychotherapy for cancer treatment: a review.  - future oncology.  1487-1496. 

yap quin jean, rafidah mazlan, mahadir ahmad, nashrah maamor.  (2018).  parenting stress and maternal coherence: mothers with deaf or hard-of-hearing children.  - american journal of audiology.  . 

belina anne william m thomas , sharanjeet kaur , mohd izzuddin hairol , mahadir ahmad , lei hum wee.  (2018).  behavioural and emotional issues among primary school pupils with congenital colour vision deficiency in the federal territory of kuala lumpur, malaysia: a case-control study [version 1; referees: awa.  - f1000research.  1-11. 

norsuhaila sha`ari, zahara abdul manaf, mahadir ahmad, fairuz nazri abd rahman.  (2017).  nutritional status and feeding problems in pediatric attention deficit-hyperactivity disorder.  - pediatrics international.  408-415. 

tay kok wai, normah che din, mahadir ahmad, noh amit, norhayati ibrahim.  (2017).  development of group therapy module for parents of children living with autism spectrum disorder.  - medical journal of malaysia.  26. 

nurul anis mohd yuzaidey, normah che din, mahadir ahmad, norhayati ibrahim, dzalani harun, rogayah abdul razak.  (2017).  interventions for children with dyslexia : a review on current intervention methods.  - medical journal of malaysia.  26. 

alwi nazurah, harun dzalani, omar baharudin, ahmad mahadir, joseph henry leonard.  (2016).  the reliability of malay version of parenting stress index-short form (psi-sf) among caregivers of individuals with learning disabilities.  - polish annals of medicine.  108-112. 

nurhidayah m, suzana s, mahadir a, mohd azahadi o, mohamad hasnan a, ismarulyusda i & zahara am.  (2016).  validation of food frequency questionnaire in estimating docosahexanoic acids (dha) intake among malay primary school children.  - malaysian journal of nutrition.  233-243. 

norhayati ibrahim, hui chien 0ng, suzaily abd wahab, normah che din, mahadir ahmad, noh amit, mohd suhaimi mohamad.  (2016).  psychological wellbeing among caregivers of schizophrenia patients in malaysia.  - international journal of psychology.  678-679. 

rachael powell, mahadir ahmad, fiona j. gilbert, david brian & marie johnston.  (2015).  improving magnetic resonance imaging (mri) examinations: development and evaluation of an intervention to reduce movement in scanners and facilitate scan completion.  - british journal of health psychology.  449-465. 

siti aishah abdullah suhaimi,, afifah mohamed, mahadir ahmad, kanaga kumari chelliah.  (2015).  effects of reduced compression in digital breast tomosynthesis on pain, anxiety, and image quality.  - malaysian journal of medical sciences.  40-46. 

ang, y; mahadir, a; poh, b.  (2014).  sleep deprivation and obesity among malay children and adolescents.  - obesity reviews.  128. 

normah che din, shazli ezzat ghazali, norhayati ibrahim, mahadir ahmad, zaini said, ahmad rohi ghazali, rosdinom razali, suzana shahar.  (2014).  health needs assessment of older people in an agricultural plantation.  - international journal of gerontology.  120-126. 

rosdinom razali, lim jean-li, aida jaffar, mahadir ahmad, shamsul azhar shah, norhayati ibrahim, normah che din, nik ruzyanei nik jaafar, marhani midin, hatta sidi, saharudin ahmad.  (2014).  is the bahasa malaysia version of the montreal cognitive assessment (moca-bm) a better instrument than the malay version of the mini mental state examination (m-mmse) in screening for mild cognitive i.  - comprehensive psychiatry.  55(S1):S70-S75. 

norhayati ibrahim, normah che din, mahadir ahmad, shazli ezzat ghazali, zaini said, suzana shahar, ahmad rohi ghazali and rosdinom razali.  (2013).  relationships between social support and depression, and quality of life of the elderly in a rural community in malaysia.  - asia-pacific psychiatry.  5(S1):59-66. 

ahmad rohi ghazali, firdaus kamarulzaman, che din normah, mahadir ahmad, shazli ezzat ghazali, norhayati ibrahim, zaini said, suzana shahar, norhana angkat & rosdinom razali.  (2013).  levels of metallic elements and their potential relationships to cognitive function among elderly from federal land development authority (felda) settlement in selangor malaysia.  - biological trace element research.  153 (1-3):16-21. 

wan mohd yunus wan mohd azam, normah che din, mahadir ahmad, shazli ezzat ghazali, norhayati ibrahim, zaini said, ahmad rohi ghazali, suzana shahar, rosdinom razali and t. maniam.  (2013).  loneliness and depression among the elderly in an agricultural settlement: mediating effects of social support.  - asia-pacific psychiatry.  5(S1):134-139.