K. L. M. dos Passos, B. M. Viegas, Macêdo E. N., J. A. S. Souza, and Magalhães E. M., “MATHEMATICAL MODELING OF LEACHING PROCESS OF RED MUD IN ORDER TO OBTAIN THE KINETICS PARAMETERS”, RETERM, vol. 14, no. 2, pp. 90–94, Dec. 2015.