Kuzmenko, Oleksandr, and Leonid Vitkin. “DEVELOPMENT OF A MATHEMATICAL MODEL BASED ON FUZZY LOGIC FOR RISK ESTIMATION IN THE ACTIVITY OF A TESTING LABORATORY”. Science Notes of KROK University, no. 1(73) (March 30, 2024): 188–194. Accessed April 2, 2025. https://snku.krok.edu.ua/index.php/vcheni-zapiski-universitetu-krok/article/view/694.