WASET
    Khalil A. Yaghi and  Samer Barakat,  Predicting the Life Cycle of Complex Technical Systems (CTS).   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2010, vol. 45(9). 837 - 840
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/6078.