Fina Triana, Jon Endri and Irma Salamah 2020. Implementation of CAESAR CIPHER Cryptography Technique for Information Data Security based on Android. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi). 4, 4 (Aug. 2020), 627 - 634. DOI:https://doi.org/10.29207/resti.v4i4.1984.