KIEL, D. E. Managing with Electronic maps. Cartographic Perspectives, [S. l.], n. 03, p. 18, 1989. DOI: 10.14714/CP03.1156. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp03-kiel. Acesso em: 7 may. 2024.