ARLINGHAUS, Sandra L.; KERSKI, Joseph. Category Theory In Geography?. Quaestiones Geographicae, [S. l.], v. 34, n. 4, p. 61–68, 2015. DOI: 10.1515/quageo-2015-0036. Disponível em: https://pressto.amu.edu.pl/index.php/qg/article/view/quageo-2015-0036. Acesso em: 2 may. 2024.