ZELLMER, L. R. Planning For GIS In Libraries: Decisions, Choices and Opportunities. Cartographic Perspectives, [S. l.], n. 21, p. 49–52, 1995. DOI: 10.14714/CP21.874. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp21-zellmer. Acesso em: 19 jul. 2024.