Ahmad Daud, Ain Farhadhia, and Azizul Azhar Ramli. 2022. “Sistem Pengurusan Kehadiran Dan Kebenaran Kerja Yacaya Enterprise (PKKKYE)”. Applied Information Technology And Computer Science 3 (2): 1604-17. https://periodical.uthm.edu.my/index.php/aitcs/article/view/7365.