Pronina, A., I. Sushkova, and E. Gerasimova. “The Influence of the Ethnic Identity of Younger Schoolchildren Studying in Multinational Classes on the Achievement of Social Success”. Amazonia Investiga, Vol. 8, no. 22, Sept. 2019, pp. 76-88, https://amazoniainvestiga.info/index.php/amazonia/article/view/30.