Kurbanov Ibrat Gayrat o’gli. NEEDS FOR DEVELOPMENT OF PROFESSIONAL COMPETENCE OF HEADS OF PRE-SCHOOL EDUCATIONAL ORGANIZATIONS. IJRD [Internet]. 2023 Apr. 6 [cited 2024 Jul. 3];8(4):41-7. Available from: https://eprajournals.net/index.php/IJRD/article/view/1783