REZA, MD RASHEDUJJAMAN, and Mohd Zainuri Saringat. “GameSphere BD - Voucher Selling Application”. Applied Information Technology And Computer Science, vol. 6, no. 1, July 2025, pp. 752-71, https://penerbit.uthm.edu.my/periodicals/index.php/aitcs/article/view/16504.