Othman, Mohd Noor Azman and Rashid, Mas Anom and Ibrahim, Abdul Razak (2017) Stressors and Mental Health of Students at Private University in Malaysia. In: 2nd International Research Conference on Economics Business and Social Sciences, 11-12 July 2017, Park Royal Hotel Penang Malaysia..

Ngah, Rohana and Ibrahim, Abdul Razak (2008) Tacit knowledge sharing and organizational performance: Malaysian SMEs perspective. In: Knowledge Management International Conference 2008 (KMICe2008), 10-12 June 2008, Langkawi, Malaysia.

Ngah, Rohana and Ibrahim, Abdul Razak (2010) The effect of knowledge sharing on organizational performance in small and medium enterprises. In: Knowledge Management International Conference 2010 (KMICe2010), 25-27 May 2010, Kuala Terengganu, Malaysia.