1. Igoni, A.H., C.L. Eze, et al. , “(2005). Potentials of biogas generation from municipal solid-waste in the Port Harcourt metropolis,” in Proc. 1st Annual Conference of Science and Technology Forum, pp. 67-72., 2005.
2. Anaerobic digestion of two biodegradable municipal waste streams;Zhang;Journal of Environmental Management,2012
3. Energetic and environmental benefits of co-digestion of food waste and cattle slurry: A preliminary assessment;Banks;Resources, Conservation and Recycling,2011
4. Biocycle anaerobic digester: performance and benefits;Banks;Waste and Resource Management,2011
5. U. O. GLASGOW, Safety & Environmental Protection Services Guidance Note Animal By-products (ABPs), Glasgow: University of Glasgow, 2015.