KELLY, B. Review of Unclassed Choropleth Mapping. Cartographic Perspectives, [S. l.], n. 86, p. 30–35, 2017. DOI: 10.14714/CP86.1424. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp86-kelly. Acesso em: 24 apr. 2024.