nik hairi omar, mohd nasir selamat, siti fardaniah abdul aziz, rusyda helma mohd, rasyidah ismail.  (2021).  integrity risk in the customs automation system.  - international journal of academic research in business and social sciences.  206-222. 

mohd nasir selamat, rusyda helma mohd, mukhiffun mukapit, siti fardaniah abdul aziz, nik hairi omar.  (2021).  a review on participatory ergonomic approaches: what participants mean to the organization?.  - international journal of academic research in business and social sciences.  612-627. 

siti fardaniah abdul aziz, rusyda helma mohd, mohd nasir selamat, nik hairi omar.  (2021).  is online training program effective for undergraduates learning during covid 19? a quasi-experimental study using the malaysian sample.  - international journal of academic research in progressive education and development.  201-219. 

rusyda helma mohd, mohd nasir selamat, siti fardaniah abdul aziz, nik hairi omar.  (2021).  ethnomethodological research on proactive safety behavior of the young workers.  - international journal of academic research in accounting finance and management sciences.  129-144. 

siti fardaniah abdul aziz, fatimah wati halim, rusyda helma mohd, mohd nasir selamat, nik hairi omar, anesee ibrahim, muhammad yusof derasol.  (2021).  nurturing organizational characteristics to maximize training impact on teamwork effectiveness: the malaysian sample.  - international journal of academic research in economics and management sciences.  223-243. 

mohd nasir selamat, nik hairi omar, rusyda helma mohd, siti fardaniah abd aziz, fatin nur alia hamid.  (2021).  analysis on ergonomic factor of duties and organizations towards stress and occupational disease in manufacturing industry in malaysia.  - international journal of academic research in accounting, finance and management sciences.  177-190. 

rusyda helma mohd, nik hairi omar, asmuni ab ghani.  (2020).  human as a change agent in proactive behavior at work: a 70-year review.  - international journal of academic research in business and social sciences.  612-628. 

jamalullail abdul wahab, r. siti syafiqah syahmah r. a. rahman, mohamed yusoff mohd nor, nik hairi omar, norazlina mohamad ayob.  (2018).  human resource management practices and their contributions towards teacher's job satisfaction.  - journal of advanced research in dynamical & control systems.  . 

roslee r, nuryana, ib, tan jr, sia ps, nurhazimah k, nik ho..  (2017).  body weight status and dietary intake of adult homeless in kuala lumpur.  - malaysian journal of nutrition.  102. 

mohd khairul alhapiz ibrahim, azmi awang, nik hairi omar.  (2013).  keupayaan penunggang motosikal mengenal pasti hazad dan bertindak selamat di persimpangan tidak berlampu isyarat.  - jurnal teknologi (sciences & engineering).  65(1):45-49. 

a. m. azmi, o. nik hairi, m. jamiah, c. k. arena, i. fauziah, p. kartigavani.  (2013).  the involvement of teenagers in social problems at low cost housing areas.  - the social sciences.  8(3):260-264. 

a.m azmi, o. nik hairi, k.y lee , i. ibrahim.  (2012).  entreprenuers success in business: some critical factors.  - international business manegement.  6 (3): 369-373. 

nik hairi omar, azmi abdul manaf, rusyda helma mohd, arena che kassim, khairani abd. aziz.  (2012).  graduates` employability skills based on current job demand through electronic advertisement.  - asian social science.  8(9):103-110.