Tayyaba Yousaf FA20-RPH-005 Mixed former effect on the photo physical properties of phosphor tellurite based glasses - CUI, Lahore Campus - Hard copy is available in the library, please contact library help desk for services To fullfill the requirement of the degree Faculty, Students and Researcheres Subjects--Topical Terms: Physics--Physics Dewey Class. No.: 530 MUH / TD