binti Wan Mohamed, Wan Hanum Suraya, and Madya Dr. Jamal @ Nordin bin Yunus. “Self-Efficacy and Academic Performance of Secondary Schools Students in Perak: An Exploratory Outlook”. International Journal of Academic Research in Progressive Education and Development, vol. 6, no. 3, Sept. 2017, https://ijarped.com/index.php/journal/article/view/806.