Arafah, Kaharuddin, and Azhariah Nur B. Arafah, Burhanuddin Arafah. “Self-Concept and Self-efficacy’s Role in Achievement Motivation and Physics Learning Outcomes”. Opción 360 (May 5, 2020): 1607-1623. Accessed June 19, 2025. https://mail.produccioncientificaluz.org/index.php/opcion/article/view/32062.