LYSYKH, Ilona. The role of sherpas in the activities of the. Gosudarstvennaya Sluzhba, [S. l.], v. 11, n. 5, p. 111–113, 2009. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/20937. Acesso em: 8 nov. 2026.