Nasution, N. W., Kurnia, O. ., Simatupang, D. T. . and Fithri, S. . (2026) “Implementation of Symmetric Key Cryptography Algorithm Using Vigenere Cipher Method for Data Security”, Jurnal Minfo Polgan, 15(2), pp. 1117-1124. doi: 10.33395/jmp.v15i2.16148.