VALDES, J. J. President’s Remarks. Cartographic Perspectives, [S. l.], n. 01, p. 1–2, 1989. DOI: 10.14714/CP01.1180. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp01-valdes. Acesso em: 4 may. 2026.