“The Remarkable Teacher and the Brilliant Pedagogue (to the 110th Anniversary of the Birth of Petro Shcherbyna)”. University Scientific Notes 19, no. 1 (73) (February 25, 2020): 250–258. Accessed February 15, 2026. https://unz.univer.km.ua/index.php/unz/article/view/73_250-258.