Antoni, A., Aryza, S., Rizki Lubis, A., Harahap, B., & Arfah, M. (2018). ANovelty Methods of Cryptography Algorithms Into Layered Cipher Encryption and Decryption. International Journal of Engineering and Technology, 7(2.14), 289-292. https://doi.org/10.14419/ijet.v7i2.14.14888