Kurniawan, I., P. B. Santoso, and A. “Implementing Text File Data Security Using Super Encryption (Affine Cipher Algorithm and OTP)”. SAINTEKS : Jurnal Sain Dan Teknik, vol. 8, no. 01, Mar. 2026, pp. 61-72, doi:10.37577/sainteks.v8i01.1070.