Nazish Iftikhar Development Of Photodegradable Polyethylene Films For Food Packaging With Shelf Life Improvement Nazish Iftikhar - Islamabad IESE (SCEE) NUST 2016. - 52 p. HB. - MS Environmental Science . Thesis MS ES Subjects--Topical Terms: Environmental Science LC Class. No.: 363.7 IFT Dewey Class. No.: 363.7 IFT