AKBAR, M. Fahri; ANNAS, Firdaus; EFRIYANTI, Liza; SUPRIADI, Supriadi. Implementing an Android Facial-biometric attendance system in a resource-constrained school: Validity, practicality, and effectiveness evidence. Jurnal Pendidikan Teknologi Kejuruan, Padang, Indonesia, v. 9, n. 1, p. 21–46, 2026. DOI: 10.24036/jptk.v9i1.48623. Disponível em: https://jptk.ppj.unp.ac.id/index.php/jptk/article/view/486. Acesso em: 14 jul. 2026.