ACHMAD, S.; AZ, N.; SOLICHIN, A. Mobile Based Student Presence System Using Haar Cascade and Eigenface Facial Recognition Methods. Jurnal Riset Informatika, [S. l.], v. 5, n. 2, p. 219–228, 2023. DOI: 10.34288/jri.v5i2.213. Disponível em: https://ejournal.kresnamediapublisher.com/index.php/jri/article/view/213. Acesso em: 13 feb. 2026.