TORRES GUTIERREZ, T. P.; ORDÓÑEZ, J. A. Agglomeration economies and urban productivity. REGION, Vienna, Austria, v. 6, n. 1, p. 17–24, 2019. DOI: 10.18335/region.v6i1.242. Disponível em: https://openjournals.wu-wien.ac.at/ojs/index.php/region/article/view/242. Acesso em: 28 mar. 2024.