1. Afzal, H., Ali, I., Khan, M. A., & Hamid, K. (2010). A study of university students’ motivation and its relationship with their academic performance. International Journal of Business and Management,5(4), 80–88.
https://doi.org/10.5539/ijbm.v5n4p80
.
2. Ahmed, W., & Bruinsma, M. (2006). A structural model of self-concept, autonomous motivation and academic performance in a cross-cultural perspective. Electronic Journal of Research in Educational Psychology,10(4), 551–572.
3. Ajiboye, J. O., & Tella, A. (2006). Class attendance and gender effects on undergraduate students’ achievement in a social studies course in Botswana. Essays in Education,18, 1–14.
4. Alami, M. (2016). Causes of poor academic performance among Omani students. International Journal of Social Science Research,4(1), 126–136.
https://doi.org/10.5296/ijssr.v4i1.8948
.
5. Altbach, P., Reisberg, L., & Rumbley, L. (2009). Trends in global higher education: Tracking an academic revolution. Retrieved from UNESCO website:
http://unesdoc.unesco.org/images/0018/001831/183168e.pdf
.