SEMEN D. REZNIK, OLGA A. SAZYKINA. Semen D. Reznik, Olga A. Sazykina. European Journal of Contemporary Education, [S. l.], v. 16, n. 1 , 2017. DOI: 10.13187/ejce.v16i 1 .140. Disponível em: https://ejournal1.net/index.php/ejce/article/view/140. Acesso em: 23 nov. 2024.