UNGAR, S.; BAYAL, A. E.; BLADES, M.; OCHAITA, E.; SPENCER, C. Use of Tactile Maps by Blind and Visually Impaired People. Cartographic Perspectives, [S. l.], n. 28, p. 4–12, 1997. DOI: 10.14714/CP28.686. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp28-ungar-et-al. Acesso em: 1 may. 2024.