VCIOM, Analytical Center. Public Opinion Poll (VCIOM Analytical Center): May — June 2026. Monitoring of Public Opinion: Economic and Social Changes, [S. l.], n. 3, p. 116–129, 2026. Disponível em: https://monitoringjournal.ru/index.php/monitoring/article/view/3444. Acesso em: 12 nov. 2026.