%0 Journal Article %T Biogas Generation from Co-digestion of Four Substrates; Water Hyacinth, Cassava Peels, Poultry Droppings and Cow Dung %J Journal Information: ISSN: NLM ID: Frequency: Journal DOI: Peer-review model: Indexing: Digital Archiving: Disclaimer: %D 2017 %R 10.9734/ARRB/2017/29459 %U http://www.sciencedomain.org/abstract/19453