GACZEK, Wanda Maria. Geographical Proximity as a Factor of Growth in Sub-Regions of Big Cities in Poland. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 3, n. 8, p. s. 7–29, 2015. DOI: 10.18559/s6vbmn64. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3983. Acesso em: 3 sep. 2026.