BATELLA, W. THE THRESHOLDS OF THE MEDIUM-SIZED CITIES. Brazilian Geographical Journal, Ituiutaba, v. 10, n. 1, p. 94–112, 2019. Disponível em: https://seer.ufu.br/index.php/braziliangeojournal/article/view/51085. Acesso em: 6 dez. 2024.