RAMLI, Ramli; PAKPAHAN, Gunawan. Pengembangan Sistem Informasi Kehadiran Siswa Berbasis Sms Gateway Di SMP Negeri 6 Medan. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 4, p. 12406–12414, 2024. DOI: 10.31004/innovative.v4i4.14558. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/14558. Acesso em: 8 jul. 2026.