THE POLISH OPERATION OF THE NKVS IN 1937–1938: “THE CASE OF THE POLISH CLUB” IN KHARKIV. ПА ІН [Internet]. 2023 May 8 [cited 2026 Aug. 31];(41):47-55. Available from: https://pahs.journal.kspu.edu/index.php/pahs/article/view/76