Muhammad Najibulloh Muzaki, Rina Firliana, Rini Indriati, Anita Sari Wardani and Erna Daniati (2025) “MULTILEVEL ENCRYPTION USING A COMBINATION OF BASE64 AND PEPPER CRYPTOGRAPHY ALGORITHM”, Jurnal Qua Teknika, 15(01), pp. 14-24. doi: 10.35457/quateknika.v15i01.4364.