Koshevenko, Svetlana. “DEPENDENCE OF THE EFFECTIVENESS OF MANAGERS OF GENERAL EDUCATIONAL ORGANIZATIONS ON CAREER STAGES”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 6 (May 25, 2018): 283–293. Accessed May 5, 2024. https://journals.ru.lv/index.php/SIE/article/view/3242.