Tias, R. F. ., M. N. . Hamidah, A. . Arizal, and F. . Setyatama. “Smart School Management System of Presence Monitoring Teacher As A Realtime With Rad (Rapid Application Development) Method at Khadijah High School Surabaya”. JEECS (Journal of Electrical Engineering and Computer Sciences), vol. 6, no. 1, June 2021, pp. 999-1004, doi:10.54732/jeecs.v6i1.190.