Photocatalytic degradation of congo red in a parabolic solar collector and titanium dioxide in suspension. Revista de Investigaciones Universidad del Quindío, [S. l.], v. 24, n. 1, p. 71–83, 2013. Disponível em: https://revistas.uniquindio.edu.co/ojs/index.php/riuq/article/view/194. Acesso em: 25 jun. 2026.