Butarbutar, Oktovantua. “Use of Rc4 Method In Android-Based Sms Security Application”. Jurnal Info Sains : Informatika dan Sains 11, no. 2 (September 1, 2021): 5–12. Accessed April 19, 2026. https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/41.