Romanus Damanik, Hardiman Ruhut M. Simamora, Bersama Sinuraya, and A. M. H. Pardede, “Application of Modified Vigenere Cipher Cryptography Technique in Text Data Encryption in Web Based Applications”, j. of artif. intell. and eng. appl., vol. 4, no. 3, pp. 2483–2487, Jun. 2025.