Muhammad Arif. DEVELOPMENT OF ECONOMICAL AIR-CONDITIONING SYSTEM USING DUAL COMPRESSORS FOR DOMESTIC AND SMALL SCALE BUSINESS FACILITY CONSUMERS / Muhammad Arif. - Islamabad: PNEC NUST, 2017. - 41 p. : ill. ; 30cm. ISBN: Subjects--Topical Terms: Industrial Manaufacturing Engineering MS-Thesis. Dewey Class. No.: 670.5