Murad A. Rassam, Asma Alrashed, Ghadeer Alsudais. “‘Etma’in’: An Android Application for Tracking the Presence of Students at Educational Institutions through RFID Technology”. International Journal of Advanced Science and Technology 29, no. 04 (December 30, 2020): 11362-11368. Accessed April 30, 2026. http://sersc.org/journals/index.php/IJAST/article/view/34699.