Bilal Zafar, Chaudhry Masons' Perceptions of the Factors Affecting Their Competency in Islamabad: Chaudhary Bilal Zafar. - Islamabad: NIT NUST, 2012. - xiii, 69 p. : ill. ; 30cm. ISBN: Subjects--Topical Terms: Construction Engineering and Management MS-Thesis. Dewey Class. No.: 624.1