WIJAYA, Ivan; HERWINDIATI, Dyah Erny; HENDRYLI, Janson. SMART PRESENSI MENGGUNAKAN QR CODE DENGAN SECURE HASH ALGORITHM 2 (SHA-2). Jurnal Ilmu Komputer dan Sistem Informasi, [S. l.], v. 9, n. 1, p. 118–122, 2021. DOI: 10.24912/jiksi.v9i1.11576. Disponível em: https://journal.untar.ac.id/index.php/jiksi/article/view/11576. Acesso em: 23 mar. 2026.