Kurbanov Ibratbek, . “DEVELOPMENT OF PROFESSIONAL COMPETENCE OF THE HEAD OF PRESCHOOL EDUCATION ORGANIZATION AS A SCIENTIFIC PROBLEM”. European International Journal of Multidisciplinary Research and Management Studies, vol. 3, no. 07, July 2023, pp. 104-7, https://inlibrary.uz/index.php/eijmrms/article/view/22676.