HUFFMAN, D. P. A Freelancer’s Approach to Teaching Cartography. Cartographic Perspectives, [S. l.], n. 90, p. 82–85, 2018. DOI: 10.14714/CP90.1491. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp90-vce. Acesso em: 18 apr. 2024.