ALDA, M. The development of employee attendance application based on mobile using spiral method. Matrix : Jurnal Manajemen Teknologi dan Informatika, [S. l.], v. 13, n. 1, p. 12–24, 2023. DOI: 10.31940/matrix.v13i1.12-24. Disponível em: https://ojs2.pnb.ac.id/index.php/MATRIX/article/view/814. Acesso em: 20 nov. 2024.