NOKKAEW, Rayakorn, and Vittaya PUNSUVON. “Multistage Solvent Extraction for High Yield Oil and Phorbol Esters Removal from Thai Toxic Jatropha Curcas Meal”. Walailak Journal of Science and Technology (WJST) 12, no. 4 (December 23, 2013): 299–310. Accessed July 11, 2026. https://wjst.wu.ac.th/index.php/wjst/article/view/835.