FREO, M. Which economic analysis is really enabled by district maps in Italy?. Statistica, [S. l.], v. 70, n. 1, p. 53–72, 2010. DOI: 10.6092/issn.1973-2201/3568. Disponível em: https://rivista-statistica.unibo.it/article/view/3568. Acesso em: 18 may. 2022.