Dautov, Gumar F., LiailiaI. Mingazova, Flera S. Sayfulina, Gelyusya F. Kayumova, and Gulnar V. Yuldybaeva. 2019. “Written Heritage of the Golden Horde”. Opción 34 (December), 895-911. http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/30287.