Joelianingsih, J., Putra, P., Hidayat, A. and Fajar, R. (2015) “Partial Hydrogenation of Calophyllum Inophyllum Methyl Esters to Increase the Oxidation Stability”, Journal of Engineering and Technological Sciences, 47(5), pp. 508-521. doi: 10.5614/j.eng.technol.sci.2015.47.5.4.