Analysis of the accuracy of the digital model of area SRTM-30 for Colombia using information IGAC and IDEAM: Accuracy analysis of the digital terrain model for Colombia. Revista de Investigaciones Universidad del Quindío, [S. l.], v. 27, n. 1, p. 30–38, 2015. DOI: 10.33975/riuq.vol27n1.20. Disponível em: https://revistas.uniquindio.edu.co/ojs/index.php/riuq/article/view/20. Acesso em: 25 jun. 2026.