PIÑERES, J.; BARRAZA, J.; SOLARTE, M.; OROZCO, M.; COLON, P. Kinetics of flotation of organic matter in Cerrejón coals (Guajira) using a flotation column. Ingeniería y Competitividad, [S. l.], v. 14, n. 2, p. 103–109, 2012. DOI: 10.25100/iyc.v14i2.2658. Disponível em: https://revistaingenieria.univalle.edu.co/index.php/ingenieria_y_competitividad/article/view/2658. Acesso em: 22 nov. 2024.