M. N. A. Fikri, N. L. Sarwoko, S. D. Bimorogo, N. Lediwara, and A. K. Heikhmakhtiar, “Digital archiving using AES-256 encryption and role-based access control to strengthen data security at Pusdatin”, Mandiri, vol. 14, no. 3, pp. 381–391, Jan. 2026.