Patcharee Kamthita. (2016) Optimization of waterless biodiesel production from palm stearin using response surface methodology. <i>Rangsit Journal of Arts and Sciences</i>, <i>6</i>(1), 77-87.Patcharee Kamthita. "Optimization of waterless biodiesel production from palm stearin using response surface methodology". Rangsit Journal of Arts and Sciences 6 (2016):77-87.Patcharee Kamthita. Optimization of waterless biodiesel production from palm stearin using response surface methodology. Rangsit University:ม.ป.ท. 2016.