Suthat Turapan and Cattareya Yotkamchornkun and Kamchai Nuithitikul, Esterification of Free Fatty Acids in Crude Palm Oil with Sulfated Zirconia: Effect of Calcination Temperature. journal = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology. May 2010, vol. 41(5). 310 - 314 [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/14483.