Molua O. C.; UkpeneA. O.; Ighrakpata F. C.; Nwachuku D. N.; Ogwu D. A.; Edobor M. OPTIMIZATION OF BIOGAS PRODUCTION FROM TREE WASTE MATERIALS FOR BIORESOURCE RECOVERY. FUDMA JOURNAL OF SCIENCES, v. 7, n. 6, p. 209 - 213, 30 Dec. 2023.