Maingi, F. M.,Mbuvi, H. M.,Mwangi, H...(et .al)2025-07-212025-07-212019-10http://41.89.96.81:4000/handle/123456789/2344enClay-Rice Husk Ash based Geopolymers for Remediationof Pb (II) and Cd (II) from WastewaterArticle