Seng Keau, Chung, Chin Kim On, Mohd Hanafi Ahmad Hijazi, and Manmeet Mahinderjit Singh. “Smart-Hadir – Mobile Based Attendance Management System”. International Journal of Interactive Mobile Technologies (iJIM) 15, no. 14 (July 28, 2021): pp. 4–16. Accessed November 23, 2024. https://online-journals.org/index.php/i-jim/article/view/22677.