Hamzah, Norhasyimah, et al. “Koswer Pembelajaran Interaktif Bagi Topik Pengaturcaraan Komputer”. Online Journal for TVET Practitioners, vol. 5, no. 2, Sept. 2020, pp. 35-41, https://penerbit.uthm.edu.my/ojs/index.php/oj-tp/article/view/6282.