WASET
    Amer A. Boushaala,  Project Complexity Indices based on Topology Features.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2010, vol. 45(9). 770 - 775
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/3480.