Chiew, P. Y., and N. Zainal. “Integration of Attendance Monitoring System Using RFID Technology With Web-Based Facility Booking System for University Cleanroom Laboratory Application”. Evolution in Electrical and Electronic Engineering, vol. 2, no. 2, Nov. 2021, pp. 38-46, https://publisher.uthm.edu.my/periodicals/index.php/eeee/article/view/3788.