Asghar,Wasim Development Of Photodegradable Polythene Films For Plastic Bags Using Titania Nanoparticles Wasim Asghar - Islamabad IESE(SCEE) NUST 2010. - 77 p. HB. - MS Environmental Engineering . Theses MS EE Subjects--Topical Terms: Environmental Engineering LC Class. No.: 628 ASG Dewey Class. No.: 628 ASG