Mdoe, JEG, RAJ Minja, and L Daniel. “Wet Oxidation of Maleic Acid by a Pumice Supported Copper (II) Shiff Base Catalyst”. Tanzania Journal of Science 38, no. 2 (April 17, 2021): 28–38. Accessed April 27, 2024. https://tjs.udsm.ac.tz/index.php/tjs/article/view/341.