Mohd Esa, Siti Aisyah, and Nazri Mohd Nawi. “Aplikasi Pembelajaran Asas Subjek Konsep Pengaturcaraan Berorientasikan Objek ”.
Applied Information Technology And Computer Science, vol. 2, no. 2, Nov. 2021, pp. 1419-35,
https://publisher.uthm.edu.my/periodicals/index.php/aitcs/article/view/2253.