Semenov, Serhii, and Cao Weilin. “TESTING PROCESS FOR PENETRATION INTO COMPUTER SYSTEMS MATHEMATICAL MODEL MODIFICATION”. Advanced Information Systems 4, no. 3 (October 5, 2020): 133–138. Accessed May 3, 2024. http://ais.khpi.edu.ua/article/view/2522-9052.2020.3.19.