Open Science Research Excellence
P.P. Diale and  S.S.L. Mkhize and  E. Muzenda and  J. Zimba,  The Sequestration of Heavy Metals Contaminating the Wonderfonteinspruit Catchment Area using Natural Zeolite.   journal   = {International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology. February 2011, vol. 50(2). 196 - 202[viewed 25 March 2019]. Available from: http://waset.org/publications/595.