Usman,Muhammad Efficiencies and Emissions Comparison and Optimization of Commercially Available Domestic LPG Cooking Stoves in Pakistan Muhammad Usman - Islamabad IESE (SCEE) NUST 2016 - 42p. H.B - MS Environmental Engineering . Thesis MS EE Subjects--Topical Terms: Environmental Engineering LC Class. No.: 628 USM Dewey Class. No.: 628 USM