Ariffin, A., N. Hasnan, N. Zakaria, S. N. K. Rubani, and N. Hamzah. “Pembangunan Bahan E-Pembelajaran Berasaskan Model Needham Lima Fasa Bagi Topik Konkrit”. Online Journal for TVET Practitioners, Vol. 5, no. 2, Sept. 2020, pp. 63-70, https://publisher.uthm.edu.my/ojs/index.php/oj-tp/article/view/6177.