Lye, Y. N., N. Salih, and J. Salimon. “Optimization of Partial Epoxidation on Jatropha Curcas Oil Based Methyl Linoleate Using Urea-Hydrogen Peroxide and Methyltrioxorhenium Catalyst”. Applied Science and Engineering Progress, vol. 14, no. 1, Jan. 2021, pp. 89-99, doi:10.14416/j.asep.2020.12.006.