STRODE, G.; MORGAN, J. D.; THORNTON, B.; MESEV, V.; RAU, E.; SHORTES, S.; JOHNSON, N. Operationalizing Trumbo’s Principles of Bivariate Choropleth Map Design. Cartographic Perspectives, [S. l.], n. 94, p. 5–24, 2020. DOI: 10.14714/CP94.1538. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/1538. Acesso em: 20 apr. 2024.