DIBIASE, D. Freeing CP: GIS&T and NACIS in the Open Educational Resources Movement. Cartographic Perspectives, [S. l.], n. 64, p. 5–20, 2009. DOI: 10.14714/CP64.145. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp64-dibiase. Acesso em: 2 may. 2024.