Imam Riadi, Rusydi Umar, and M. I. Syahib, “Akuisisi Bukti Digital Viber Messenger Android Menggunakan Metode National Institute of Standards and Technology (NIST) : Acquisition of Digital Evidence Android-Based Viber Messenger App Using the National Institute of Standards and Technology (NIST) Method ”, J. RESTI (Rekayasa Sist. Teknol. Inf.) , vol. 5, no. 1, pp. 45–54, Feb. 2021, doi: 10.29207/resti.v5i1.2626.