Le, H., Huynh, N., Phan, T. and Tran, H. (2010) “BIODIESEL FROM FAT OF TRA CATFISH VIA KOH/γ-Al2O3 CATALYST USING ULTRASONIC MIXING”, Science and Technology Development Journal, 13(2), pp. 72-80. doi: https://doi.org/10.32508/stdj.v13i2.2119.