GRIGORYEVA, E. наука и образование. проект байкал, Irkutsk, Russian Federation, v. 5, n. 18, p. 1–1, 2008. DOI: 10.7480/projectbaikal.18.922. Disponível em: https://projectbaikal.com/index.php/pb/article/view/922. Acesso em: 27 ноя. 2024.