Mohammed T. Hayajneh,  Prediction of Cutting Tool Life in Drilling of Reinforced Aluminum Alloy Composite Using a Fuzzy Method.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2016, vol. 112(4). 431 - 437
    [viewed 20 November 2019]. Available from: https://publications.waset.org/pdf/10004238.