Samoilenko, Denys. “PERMUTATION-BASED POLYMORPHIC STEGO-WATERMARKS FOR PROGRAM CODES”. Proceedings of National Aviation University (archive) 67, no. 2 (June 21, 2016): 44–51. Accessed October 10, 2026. https://jrnl.kai.edu.ua/index.php/visnik/article/view/10431.