Sopajarn, A., Jitjamnong, J., Kasetsomboon, N., & Niseng, S. (2023). Study of Optimal Biodiesel Production from Waste Frying Oils for Community, and Prototype of Biodiesel Reactor Using Biomass Energy. Recent Science and Technology, 15(3), 761–777. retrieved from https://li01.tci-thaijo.org/index.php/rmutsvrj/article/view/249449