PERM AGGLOMERATION: JUSTIFICATION, ANALYSIS, AND MAPS OF SOCIO-ECONOMIC DEVELOPMENT. Geographical Bulletin, [S. l.], n. 2(77), p. 46–60, 2026. DOI: 10.17072/2079-7877-2026-2-46-60. Disponível em: https://press.psu.ru/index.php/geogr/article/view/11837. Acesso em: 8 nov. 2026.