Nyandoro, Stephen, and Elianaso Elimbinzi. “Synthesis, Characterisation and Catalytic Evaluation of Castor Oil-Templated Mesoporous Sulfated Solid Acid Catalysts for Esterification Reaction ”. Tanzania Journal of Engineering and Technology 41, no. 4 (December 31, 2022): 155-168. Accessed November 22, 2024. https://tjet.udsm.ac.tz/index.php/tjet/article/view/875.