Setiawan, Hermawan, and Akhmad Rizal. “Rancang Bangun Mobile Secure Chat Dengan Mengimplementasikan Metodologi SSDLC-Agile Dan Kriptografi”. Jurnal Ilmiah SINUS 21, no. 1 (January 12, 2023): 1–12. Accessed May 15, 2026. https://www.ejournal.tsu.ac.id/index.php/e-jurnal_SINUS/article/view/660.