Setyopratomo, P., 		Purwanto, E., 		Hartanto, R., & 		Kristianto, J.
2008 Jan  1.  Effect of Reaction Temperature and the CPO/Metanol Ratio on the Product Characteristics in the Biodiesel Production Using Diethyl Eter as Co-Solvent. Jurnal ILMU DASAR. [Online] 9:1