The National Resource Question and the Potentials of Cartography and Geographic Information Systems as Instruments of Spatial Engineering in a Developing Society. Global Journal of Science Frontier Research, [S. l.], v. 12, n. D5, p. 29–36, 2012. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/511. Acesso em: 5 jun. 2026.