Nanthina Damrongwattanakool และ Patcharin Raviyan. (2018) Enrichment of vitamin E in palm fatty acid distillateusing sequential-cooling ureafatty acid complexation. <i>Songklanakarin Journal of Science and Technology</i>, <i>40</i>(5), 1175-1180.Nanthina Damrongwattanakool และ Patcharin Raviyan. "Enrichment of vitamin E in palm fatty acid distillateusing sequential-cooling ureafatty acid complexation". Songklanakarin Journal of Science and Technology 40 (2018):1175-1180.Nanthina Damrongwattanakool และ Patcharin Raviyan. Enrichment of vitamin E in palm fatty acid distillateusing sequential-cooling ureafatty acid complexation. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2018.