Umeghalu, I. .; Nwuba, E. .; Onukwuli, D. .; Okonkwo, I. .; Ngini, J. . Kinetics of Biogas Production from Fermentation Broth of Wild Cocoyam Codigested With Cow Paunch in Batch Mode. Sci. J. Pure Appl. Sci. 2015, 4, 98-104.