Lopukhina, Tetiana V., and Olha O. Stiahunova. “Professional Development of the Head of an Educational Institution Within the Postgraduate Education System”. Journal of Higher Education Theory and Practice 21, no. 14 (December 19, 2021). Accessed August 24, 2024. https://articlegateway.com/index.php/JHETP/article/view/4819.