Khimicheva, Hanna, and Antonina Volivach. “MATHEMATICAL MODEL OF AN EDUCATIONAL PROGRAM QUALITY ASSESSMENT”. Proceedings of National Aviation University 84, no. 3 (October 21, 2020): 71–79. Accessed February 8, 2025. https://jrnl.nau.edu.ua/index.php/visnik/article/view/14956.