Nur Zahidah Binti Muhammad Sidek, Safyzan Salim, Azuki Abdul Salam, Mohd Zain Ismail, & M Mahadi Abdul Jamil. (2016). Attendance Tracking System Based On Contactless Smartcard. Journal of Engineering Technology, 4(1), 27-35. https://ejournal.unikl.edu.my/index.php/jet/article/view/255