Younas,Hassan Water Disinfection Using Metal Doped Titania Nanoparticles Hassan Younas - Islamabad IESE (SCEE) NUST 2011. - 114 p. HB. - MS Environmental Science . Thesis MS ES Subjects--Topical Terms: Environmental Science LC Class. No.: 363.7 YOU Dewey Class. No.: 363.7 YOU