Patcharee Kamthita, Thanthanat Srisuwan, & Sumpan Gesmanee. (2023). Optimization of waterless biodiesel production from palm stearin using response surface methodology. Journal of Current Science and Technology, 6(1), 77–87. Retrieved from https://ph04.tci-thaijo.org/index.php/JCST/article/view/514