A. L. D. Camacho, E. C. A. dos Santos, J. A. B. Filho, L. A. S. Miranda, and C. A. M. Moraes, “Evaluation of BTEX adsorption in industrial effluent through the percolation method using rice husk ash as adsorbent material”, REGET, vol. 24, p. e21, Jul. 2022.