Abbasi, Dost Ali. Valorization of biogas production from the Co digestion of petroleum sludge and switchgrass (panicum virgatum) / Dost Ali Abbasi. - MUET, Jamshoro : Institute of Environmental Engineering, 2023. - xiii, 48p. : ill. ; 30 cm. Includes References. Subjects--Topical Terms: Environmental Engineering. Dewey Class. No.: / ABB