PAPATS, A. INSTITUTIONS OF SECONDARY EDUCATION IN KATERINOSLAV PROVINCE IN THE EARLY XXth CENTURY AND LEARNING FEATURES (Cases of Katerinoslav male gymnasium and Mariupol Mariinsky female gymnasium). Skhid, [S. l.], n. 6(170), p. 21–25, 2020. DOI: 10.21847/1728-9343.2020.6(170).218568. Disponível em: http://skhid.kubg.edu.ua/article/view/218568. Acesso em: 2 dec. 2021.