Ukraïnsʹka himnazija v Čechoslovaččyni - Orhanizacijna struktura ta osvitnij proces = Ukrainian secondary school ("Ukrainian Gymnasium") in Czechoslovakia : organizational structure and educational process - Humenjuk, Oleha; Salata, Oksana Oleksiïvna; Telʹvak, Vitalij Vasylʹovyč 1974- (2022)