Ibrahim, N. ., F. A. . Fauzee, S. ‘Aisyah . Sa’dan, and U. F. . Mohd Bahrin. “ASGBOOKSYS: All Star Gym Booking System With Usability Heuristic Theory Adaptation”. Journal of Information Systems Research and Practice, vol. 2, no. 3, Aug. 2024, pp. 76-96, https://ojie.um.edu.my/index.php/JISRP/article/view/55492.