Oparaku, N. F., Ofomatah, A. C, and Okoroigwe, E. C. “Biodigestion of Cassava Peels Blended With Pig Dung for Methane Generation”. African Journal of Pig Farming 1, no. 1 (October 13, 2013): 23 – 27. Accessed May 14, 2025. https://elixirpublishers.in/index.php/ajpf/article/view/615.