KOVIN, V.S.; PETROVA, R.I. The competitiveness of municipal elections in the Perm region, held on a single day of voting 9 september 2018. Perm Federal Research Centre Journal, [S. l.], n. 4, p. 76–80, 2018. DOI: 10.7242/1998-2097/2018.4.10. Disponível em: https://journal-dev.icmm.ru/index.php/pscj/article/view/PSCJ2018n4p10. Acesso em: 13 may. 2026.