Ardiyati, Tanti, Nathaniel P. Dugos, Susan A Roces, Masaaki Suzuki, and Kusnanto Kusnanto. 2014. “Stability and Emission Characteristics of Diesel-Ethanol-Coconut Methyl Ester Blends for the Diesel Engines”. ASEAN Journal of Chemical Engineering 14 (1), 1-11. https://journal.ugm.ac.id/v3/AJChE/article/view/8473.