Design and Development of Student Attendance Application Using Viola-Jones Methodand Haar Cascade Algorithm at UIM. ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK, [S. l.], v. 13, n. 1, p. 8–15, 2023. DOI: 10.51747/energy.v13i1.p8-15. Disponível em: https://e-journal.upm.ac.id/index.php/energy/article/view/energy.v13i1.p8-15. Acesso em: 26 may. 2026.