Abbas, Naeem, Nadia Jamil, and Farah Deeba. “Potential of Biogas in Waste Activated Tannery Sludge by Anaerobic Co-Digestion”. Asian Journal of Chemistry 27, no. 2 (January 10, 2015): 697–700. Accessed November 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_2_68.