Suleiman Tuge, H., A. Umar Zango, and S. Y. Abubakar. “A Token-Based Attendance Management System: A Cheaper and Alternative Means to Managing Records of Lecture Attendance”. UMYU Scientifica, vol. 1, no. 1, Sept. 2022, pp. 211-20, doi:10.56919/usci.1122.027.