Joelianingsih, J., Husnil, Y. A. and Purwaningsih, I. S. (2018) “Effect of Soybean Biodiesel Addition on the Quality of Palm Stearin Biodiesel”, International Journal of Oil Palm, 1(3), pp. 103–109. Available at: http://ijop.id/index.php/ijop/article/view/15 (Accessed: 4 May 2024).