Olatunji, Jeje, Oluwaseun Alo, and Tomiwa Akadiri. “Optimum Organic Loading Rate in the Biomethanation of a Mixture of Cow Dungs and Poultry Droppings”. International Journal of Advanced Research 2, no. 2 (June 27, 2020): 1-5. Accessed May 3, 2024. https://journals.eanso.org/index.php/ijar/article/view/176.