1.
Wootthikanokkhan S, Mutchika S, Phontee A. REMOVAL OF FREE FATTY ACID IN CRUDE JATROPHA CURCAS OIL USING FERRIC SULPHATE FOR BIODIESEL PRODUCTION. Suranaree J Sci Technol [internet]. 2026 Aug. 27 [cited 2026 Sep. 11];18(3):229-37. available from: https://ph04.tci-thaijo.org/index.php/SUJST/article/view/13759