The International Scientific and Methodological Symposium. project baikal, Irkutsk, Russian Federation, v. 10, n. 36, p. 38–39, 2013. DOI: 10.7480/projectbaikal.36.124. Disponível em: https://projectbaikal.com/index.php/pb/article/view/124. Acesso em: 10 may. 2026.