MAINGI, F., Ng’ang’a, M. M., Mbuvi, H. M., & Henry Mwangi. (2019). Clay-Rice Husk Ash based Geopolymers for Remediation of Pb (II) and Cd (II) from Wastewater . Egerton Journal of Science and Technology, 17(1-139), 15-28. Retrieved from https://eujournal.egerton.ac.ke/index.php/EJ/article/view/35