LIDIN, K. Образец и метод. проект байкал, Irkutsk, Russian Federation, v. 14, n. 52, p. 44–47, 2017. DOI: 10.7480/projectbaikal.52.1159. Disponível em: https://projectbaikal.com/index.php/pb/article/view/1159. Acesso em: 3 май. 2024.