WASET
    Jadwiga R. Ziolkowska,  Fuzzy Multi-Criteria Framework for Supporting Biofuels Policy Making.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1675 - 1679
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9451.