PERSKA, Anita. The Development of Metropolitan Areas in the World and Poland. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 3, n. 8, p. s. 154–173, 2015. DOI: 10.18559/35n70123. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3990. Acesso em: 3 sep. 2026.