@article{ngamprasertsith_laetoheem_sawangkeaw_2014,  title={Continuous production of biodiesel in supercritical ethanol: a comparative study between refined and used palm olein oils as feedstocks},  volume={25},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20140171},  DOI={10.5935/0103-5053.20140171},  number={9},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Ngamprasertsith, Somkiat and Laetoheem, Chafi-ee and Sawangkeaw, Ruengwit},  year={2014},  month={Sep},  pages={1746–1753} }