KNOWLES, A. K. A Case for Teaching Geographic Visualization without GIS. Cartographic Perspectives, [S. l.], n. 36, p. 23–37, 2000. DOI: 10.14714/CP36.823. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp36-knowles. Acesso em: 19 apr. 2024.