Mynepalli, S.K., Coker, A.O., Hammed, T.B. and Oliyide, A. 2014. Experiments on Co-Digestion of Cow Dung and Water Hyacinth (EichhorniaCrassipes) for Biogas Yield. International Journal of Sciences: Basic and Applied Research (IJSBAR). 15, 1 (Apr. 2014), 16–24.