TROFYMOVYCH, V. ., and L. . TROFYMOVYCH. “UNDERGROUND ORGANIZATIONS OF PATRIOTIC YOUTH AND THEIR LIQUIDATION BY THE STATE SECURITY AGENCIES OF THE UKRAINIAN SSR (the Second Half of the 1950s – First Half of the 1970s)”. EAST EUROPEAN HISTORICAL BULLETIN, no. 35, June 2025, pp. 142-5, doi:10.24919/2519-058X.35.332690.