Channa, Haseeb Ali. Assessment of greenhouse gas emissions from petroleum refinery unit using aspen HYSYS / Haseeb Ali Channa. - MUET, Jamshoro : Institute Of Environmental Engineering, 2020. - xiv, 42p. : ill. ; 30 cm. Includes references. Subjects--Topical Terms: Energy & Environmental Engineering. Dewey Class. No.: / CHA