SIGAP: Perancangan dan Rencana Penerapan Sistem Informasi Gaji, Absensi, dan Pengajuan Berbasis WEB dan Mobile untuk Karyawan PT Sigma Utama. Integrative Perspectives of Social and Science Journal, [S. l.], v. 3, n. 10 Oktober, p. 154–161, 2026. Disponível em: https://ipssj.com/index.php/ojs/article/view/2062. Acesso em: 21 oct. 2026.