Litynskyi, Viacheslav. 2024. “The Technology of execution’s by NKVD Officers in 1937-1938”. Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, no. 49 (September): 30-36. https://doi.org/10.31652/2411-2143-2024-49-30-36.