Muetaz Mohammed, . M. M., S. B. Boghandora, R. H. Hassan, A. J. Jirhiman, and A. . A. Ali Ahmeedah. “Influence of PH and the Insulation of Reactor on The Biogas Production of Livestock Waste by Batch Anaerobic Reactor”. Solar Energy and Sustainable Development Journal, vol. 11, no. 2, Dec. 2022, pp. 1-12, doi:10.51646/jsesd.v11i2.140.