Fatima Mukhtar, Aliyu Abubakar, Ummasalma Aliyu Saulawa, and Hadiza Garba. “Biogas Production from Cow Dung for Sustainable Energy Generation”. UMYU Journal of Microbiology Research (UJMR) 3, no. 1 (June 30, 2018): 81–86. Accessed July 16, 2024. https://ujmr.umyu.edu.ng/index.php/ujmr/article/view/253.