Barkem, William, and Jeckson Sidabutar. “Digital Forensic Analysis of WhatsApp Business Applications on Android-Based Smartphones Using NIST”. MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer 22, no. 3 (July 26, 2023): 615-626. Accessed July 27, 2024. https://journal.universitasbumigora.ac.id/index.php/matrik/article/view/3033.