Sorgho, B., Guel, B., Zerbo, L., Gomina, M., & Blanchart, P. (2019). A study of adsorption of cadmium, copper and lead by two clays from Burkina Faso. International Journal of Biological and Chemical Sciences, 12(6), 2933–2950. https://doi.org/10.4314/ijbcs.v12i6.35