КРЕТИНИН, Валерий Алексеевич. Stages of transformation of Russia’s space and its role in the modern world. Scientific Notes. Vladimir Branch, [S. l.], v. 9, n. 2, p. 15–25, 2020. Disponível em: https://vladimir-uz.owebs.ru/article/view/16283. Acesso em: 9 nov. 2026.