Raza, Ayesha Synthesis, Characterizaton and NH3/N2 gas permeation study of nano composite membrane / Ayesha Raza. - Islamabad : SCME - NUST, 2015. - vi, 74 p. : ill. ; 30cm. ISBN: Subjects--Topical Terms: Chemical Engineering MS-Thesis. Dewey Class. No.: 660