S. Bagher Daryaii,  Causes of Delays in Construction Projects: A Case Study for Petrochemical Industry of Iran.   journal   = {International Journal of Mechanical and Industrial Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2023, vol. 193(1). 21 - 27
    [viewed 07 May 2024]. Available from: https://publications.waset.org/pdf/10012903.