Saurykova, Z. S., & 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), 1522-1538. Recuperado a partir de https://mail.produccioncientificaluz.org/index.php/opcion/article/view/32512