WASET
    Orhan Feyzioğlu and  Gülçin Büyüközkan,  Evaluation of New Product Development Projects using Artificial Intelligence and Fuzzy Logic.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 778 - 784
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/13784.