Ali, Zeeshan, Amran Waheed, Hamid Iqbal, and Syed Faheem Shah. “Waste Bleaching Clay for Biodiesel through Base Catalyzed Transesterification of Residual Cotton Seed Oil”. Asian Journal of Chemistry 28, no. 4 (January 7, 2016): 725–732. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/28_4_4.