Sultanbekova, Z., and K. Y. K. A. Toty Koshenova. “Role of Works of Kazakh Writer Dulat Issabekov in Modern National”. Opción, Vol. 34, no. 1, June 2019, pp. 223-48, http://www.produccioncientificaluz.org/index.php/opcion/article/view/24129.