Stepanchuk Yuriy Stepanowych. Activity of social and political unions of USSR in a context of social politics bilshovik regime in 1920 beginning of 1930 of the XX century : к.і.н. : spec.. 07.00.01 - Історія України : presented. 2006-05-31; popup.evolution: .; Cherkasy State Universsity. – , 0406U002543.

Updated: 2026-11-03