SHAMAKHOV, V.A. Leningrad - St. Petersburg: the History of Overcoming Geography. Administrative Consulting, [S. l.], n. 3, p. 8, 2023. DOI: 10.22394/1726-1139-2023-3-8-8. Disponível em: https://administrative-consulting.owebs.ru/article/view/14453. Acesso em: 8 nov. 2026.