Fatima Mukhtar, Aliyu Abubakar, Ummasalma Aliyu Saulawa, and Hadiza Garba. 2018. “Biogas Production from Cow Dung for Sustainable Energy Generation”. UMYU Journal of Microbiology Research (UJMR) 3 (1):81-86. https://doi.org/10.47430/ujmr.1831.013.