IMPLEMENTASI MULTI ENKRIPSI ROT 13 PADA SYMBOL WHATSAPP. Journal of Information System Management (JOISM), [S. l.], v. 2, n. 1, p. 1–5, 2020. DOI: 10.24076/joism.2020v2i1.158. Disponível em: https://devjurnal.amikom.ac.id/index.php/joism/article/view/158. Acesso em: 13 may. 2025.