Nawaz, Tehreema Trimellitic /Diglycolic acid functionalized managetite (Fe3O40) for the efficient removal of Pb (ii) and Cr(vi) from Wastewater Streams Tehreema Nawaz - Islamabad : SNS - NUST, 2017. - xi, 72 p. : ill. ; 30cm. ISBN: Subjects--Topical Terms: Chemistry - MS Thesis Dewey Class. No.: 540