Ikeokwu, O. M., Godspower, C., Isaiah, A., & Chinomso, N. P. (2023). Effect of Addition of Certain Substances During Slurry Preparation to Optimize Biogas Production. International Journal of Research in Interdisciplinary Studies, 1(1), 31-33. https://journal.ijris.com/index.php/ijris/article/view/5