Sotvoldiev Nodirbek Jurabaevich and Khojakhanov Marufkhon Khamidkhonovich 2020. STAGES OF DEVELOPMENT OF DIAGNOSTIC MODELS IN HIGHER EDUCATION. International Engineering Journal For Research & Development. 5, CONGRESS (Oct. 2020), 7. DOI:https://doi.org/10.17605/OSF.IO/6AJP7.