André C. Silva and  Izabela L. A. Moraes and  Elenice M. S. Silva and  Carlos M. Silva Filho,  Jatropha curcas L. Oil Selectivity in Froth Flotation.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2016, vol. 118(10). 624 - 630
    [viewed 08 December 2019]. Available from: https://publications.waset.org/pdf/10005532.