VITKOVSKAYA, T.B. Representative public authorities and subsurface users enterprises in the industrial cities of the Ural region. Perm Federal Research Centre Journal, [S. l.], n. 4, p. 86–91, 2021. DOI: 10.7242/2658-705X/2020.4.8. Disponível em: https://journal.permsc.ru/index.php/pscj/article/view/PSCJ2020n4p8. Acesso em: 2 may. 2026.