Abu Bakar, K., Ahmad Tarmizi, R., Mahyuddin, R., Elias, H., Wong, S. L., & Mohd Ayub, A. F. (2010). Relationships between university students’ achievement motivation, attitude and academic performance in Malaysia. Elsevier.

Abu Bakar, Kamariah, Rohani Ahmad Tarmizi, Rahil Mahyuddin, Habibah Elias, Su Luan Wong, and Ahmad Fauzi Mohd Ayub. Relationships between University Students’ Achievement Motivation, Attitude and Academic Performance in Malaysia. Elsevier, 2010.

Abu Bakar, Kamariah, et al. Relationships between University Students’ Achievement Motivation, Attitude and Academic Performance in Malaysia. Elsevier, 2010.