Phakahan, P., Aryusuk, K., Lilitchan, S., & Krisnangkura, K. (2016). In <i>Situ<i/> Trans-Esterification of Residual Oils in Spent Bleaching Clays from Vegetable Oil Refineries. Journal of Technology Innovations in Renewable Energy, 5(2), 59–67. https://doi.org/10.6000/1929-6002.2016.05.02.3