VAN DER MAAREL, H.; TONN, D. Running a Small Cartographic Business. Cartographic Perspectives, [S. l.], n. 66, p. 53–58, 2010. DOI: 10.14714/CP66.98. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp66-van-der-maarel-ton. Acesso em: 14 may. 2024.