NEDOSHYTKO I. TERNOPIL REGIONAL COMMUNAL INSTITUTE OF POSTGRADUATE PEDAGOGICAL EDUCATION/ INSTITUTE FOR THE IMPROVEMENT OF TEACHERS’ QUALIFICATIONS, THROUGH THE PRISM OF LEADERS (1940s – MID-1970s). gsipen [Internet]. 2026 Jan. 29 [cited 2026 Feb. 12];(2):113-24. Available from: http://gsip.wunu.edu.ua/index.php/gsipen/article/view/283