KINDRACHUK , Nadia. Ukrainian Language in Educational Institutions of the USSR: 1960s–1970s. Historia i Polityka, [S. l.], n. 42 (49), p. 151–162, 2022. DOI: 10.12775/HiP.2022.036. Disponível em: https://apcz.umk.pl/HiP/article/view/41237. Acesso em: 29 cze. 2025.