Handrianto, C. ., Jusoh, A. J. ., Rashid, N. A. ., Imami, M. K. W., Wahab, S. ., Rahman, M. A. . and Kenedi, A. K. . (2023) “Validating and Testing the Teacher Self-Efficacy (TSE) Scale in Drug Education among Secondary School Teachers”, International Journal of Learning, Teaching and Educational Research, 22(6), pp. 45–58. Available at: http://ijlter.myres.net/index.php/ijlter/article/view/1640 (Accessed: 12 January 2026).