Komarnitskyi, O. and Komarnitska, L. (2019) “The Activities of Student Clubs of Pedagogical Educational Institutions of the Ukrainian SSR in the 20-30s of the XX century”, Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, (30), pp. 26–34. doi:10.31652/2411-2143-2019-30-26-34.