SYUKRIADI, Syukriadi -. Design of Presence System as a Form of Monitoring Lecturer Attendance Data at UPT Labor PPNP. Knowbase : International Journal of Knowledge in Database, [S.l.], v. 3, n. 1, p. 27-36, jun. 2023. ISSN 2797-7501. Available at: <https://ejournal.uinbukittinggi.ac.id/index.php/ijokid/article/view/6357>. Date accessed: 18 May. 2024. doi:http://dx.doi.org/10.30983/knowbase.v3i1.6357.