WASET
    M. Kamal Elbokl and  Negadi Kheira,  Risk Assessment in Durations and Costs for Construction of Industrial Facilities in Egypt Using Equations and Computer.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 682 - 686
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/9997674.