“Prototype Mesin Presensi Berbasis E-Mail Pada SMP Assyairiyah Attahiriyah Jakarta”. Journal of Students‘ Research in Computer Science 1, no. 2 (November 30, 2020): 179–190. Accessed December 26, 2024. https://ejurnal.ubharajaya.ac.id/index.php/JSRCS/article/view/444.