“THE ROLE OF DIAGNOSTIC MODELS IN THE STUDY OF THE ACTIVITIES OF HIGHER EDUCATION INSTITUTIONS”, Res. Jou. Ana.Inv., vol. 1, no. 01, pp. 54–65, Dec. 2020, Accessed: Apr. 17, 2026. [Online]. Available: https://reserchjet.academiascience.org/index.php/rjai/article/view/145