Ibrahim, Yahya Saleh and Halliru, Tijjani (2010) Conceptualizing ethnicity and nation building in Malaysia: A lesson from Nigeria. In: Proceedings Seminar on Nasional Resilience (SNAR 2010) "Political Managements and Policies in Malaysia", 13-15 July 2010, Bayview Hotel Langkawi. Institute of Tun Dr. Mahathir Mohamad’s Thoughts, Universiti Utara Malaysia , Sintok , pp. 315-335. ISBN 978-983-44865-3-2

Ishak, Noor Azniza and Jdaitawi, Malek,T and Ibrahim, Yahya Saleh and Mustafa, Farid, T (2011) Moderating effect of gender and age on the relationship between emotional intelligence with social and academic adjustment among first year university students. International Journal of Psychological Studies, 3 (1). pp. 78-89. ISSN 1918-7211

Halliru, Tijjani and Ibrahim, Yahya Saleh (2010) Resolving developmental conflict in Africa through bilateral relationship with Asian countries. In: The Third International Conference on International Studies (ICIS 2010), 1st-2nd December 2010, Hotel Istana Kuala Lumpur. College of Law, Government and International Studies, Universiti Utara Malaysia. , Sintok, pp. 1-16. ISBN 9789832078456

Ibrahim, Yahya Saleh and Jamal Khan, Mohamad Khan (2011) An assesment of the performance of reform in Nigeria and Malaysian national health scheme programme. International Journal of Business and Social Science (IJBSS), 2 (21). pp. 145-156. ISSN 2219-1933

Ibrahim, Yahya Saleh and Bambale, Abdullahi Jafaru and Jakada, Balarabe Abubakar (2016) An assessment of the national health insurance scheme impacts on health care delivery in Nigeria: perspective on total quality management using Nominal Group Technique (NGT). International Journal of Organizational & Business Exellence, 1 (1). pp. 1-21. ISSN 2504-8589