Imam Riadi, et al. “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 ”. Jurnal RESTI (Rekayasa Sistem Dan Teknologi Informasi), vol. 5, no. 1, Feb. 2021, pp. 45-54, https://doi.org/10.29207/resti.v5i1.2626.