TY  - SER
AU  - Nuithitikul, Kamchai
AU  - Hasin, Worrapat
TI  - Esterification of Free Fatty Acids in Crude Palm Oil Using Sulfated Cobalt-Tin Mixed Oxide Catalysts
KW  - Biodiesel
KW  - Esterification
KW  - Sulfated Cobalt-Tin Mixed Oxide
ER  -