The Hydrogeological assessment of watershed Las Abras, province of Chimborazo, Ecuador. Revista Científica Ciencias Naturales y Ambientales, [S. l.], v. 9, n. 2, p. 8, 2015. DOI: 10.53591/cna.v9i2.240. Disponível em: https://revistas.ug.edu.ec/index.php/cna/article/view/1798. Acesso em: 5 dec. 2025.