Ali, Ismat, M Mohsin Ali, M A Basit, and A Rasheed Khanb. “PRODUCTION OF BIOGAS AT MESOPHILIC AND THERMOPHILIC TEMPERATURES”. Biological Sciences - PJSIR 47, no. 1 (February 23, 2004): 5–8. Accessed May 17, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1444.