Saurykova, Z. S. and Zhaskairat T. Yernazarov, S. B. K. R. L. A. A. M. B. (1) “Repressive policy of Kazakhstan in the 20-30s of the 20th century”, Opción, 36(91), pp. 1522-1538. Available at: https://www.produccioncientificaluz.org/index.php/opcion/article/view/32512 (Accessed: 18May2024).