Kosylo, Christina. “Педагогические взгляды Григория Врецьоны = Educational Views Hhrygoriy Vretsony. Poglądy Pedagogiczne Hryhorija Wrecony”. Journal of Education, Health and Sport 5, no. 3 (March 23, 2015): 166–173. Accessed January 11, 2025. https://apcz.umk.pl/JEHS/article/view/2588.