Banugul Zh. Abdrasheva, Zhanar Kh. Kendirbekova, Galina G. Chernaya,. 2019. «Social Workers Preparation to Ethno-Social Work: Theoretical Substantiation and Efficiency Checking Criteria». Opción 34 (86-2). http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/30399.