Vadimovna Тsay Nadezhda. “Professional Competencies of Leaders in the Preschool and School Education System of the Republic of Uzbekistan”. Excellencia: International Multi-disciplinary Journal of Education (2994-9521) 3, no. 2 (February 5, 2025): 10–16. Accessed November 9, 2025. https://multijournals.org/index.php/excellencia-imje/article/view/3050.