Kalala Jalama,  Waste Oils pre-Esterification for Biodiesel Synthesis: Effect of Feed Moisture Contents.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2012, vol. 64(4). 342 - 347
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/14221.