KAŃDUŁA, Sławomira. Equalising the Income of Municipalities as a Precondition of their Sustainable Development?. DEMO Journal, Poland, v. 5, n. 5, p. 103–122, 2017. DOI: 10.18559/SOEP.2017.5.7. Disponível em: https://ojs34.fimagis.pl/index.php/demo/article/view/1000. Acesso em: 9 jun. 2026.