HYBKA, Małgorzata Magdalena. Allocating tax revenue to sub-central government levels: lessons from Germany and Poland. Equilibrium. Quarterly Journal of Economics and Economic Policy, Olsztyn, v. 11, n. 4, p. 689–709, 2016. DOI: 10.12775/EQUIL.2016.031. Disponível em: https://economic-policy.pl/index.php/eq/article/view/102. Acesso em: 17 jan. 2026.