Akintokun, A.K., Abibu, W.A. and Oyatogun, M.O. 2017. Microbial Dynamics and Biogas Production during Single and Co-digestion of Cow Dung and Rice Husk. Applied Environmental Research. 39, 2 (Jul. 2017), 67–76. DOI:https://doi.org/10.35762/AER.2017.39.2.6.