INDRA OLOAN NAINGGOLAN. IMPLEMENTASI SANDI AFFINE UNTUK PENGAMANAN FILE MICROSOFT OFFICE. Jurnal Sains dan Teknologi ISTP, [S. l.], v. 12, n. 1, p. 12–26, 2021. DOI: 10.59637/jsti.v12i1.27. Disponível em: https://ejurnal.istp.ac.id/index.php/jsti/article/view/27. Acesso em: 24 jul. 2025.