1. Abbasi, A. S., Rehman, K. U. & Bibi, A. (2010). Islamic management model. African Journal of Business Management, 4(9), 1873-1882.
2. Abdul Kadir, M. A. B. & Mhd Sarif, S. (2015). Social enterprise sustainability: An exploratory case of selected private Islamic schools in Malaysia. International Academic Research Journal of Social Science, 1(2), 255-263.
3. Abraham, A. (2003). Financial sustainability and accountability: A model for nonprofit organisations, 2003(July), 6-8.
4. Agyemang, G., Awumbila, M., Unerman, J. & O’Dwyer, B. (2009). NGO Accountability and Aid Delivery. Research Report 110 ACCA.
5. Ahmad, S. F. (1988). The ethical responsibility of business: Islamic principles and implications. Journal of Objective Studies, 3(1), 23-43.