%0 Journal Article %T Anaerobic digestion: Technology for biogas production as a source of renewable energy—A review %A Obileke, KeChrist %A Nwokolo, Nwabunwanne %A Makaka, Golden %A Mukumba, Patrick %A Onyeaka, Helen %J Energy & Environment %V 32 %N 2 %P 191-225 %@ 0958-305X %D 2021-03-01 %I SAGE Publications %~ DeepDyve