LISITSINA, Y. Факел. Учитель. проект байкал, Irkutsk, Russian Federation, v. 15, n. 58, p. 22–23, 2018. DOI: 10.7480/projectbaikal.58.1387. Disponível em: https://projectbaikal.com/index.php/pb/article/view/1387. Acesso em: 21 ноя. 2024.