Pakizat Auyesbayeva, Togzhan Akimova, T. A. K. A. Z. R. “Kazakh Variants of the Epic Korugly”. Opción, Vol. 35, no. 89, July 2019, pp. 863-78, https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/24447.