Lida Haghnegahdar and  Ezzatollah Asgharizadeh,  The Risk and Value Engineering Structures and their Integration with Industrial Projects Management (A Case Study on I. K.Corporation).   journal   = {International Journal of Structural and Construction Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 500 - 508
    [viewed 20 October 2019]. Available from: https://publications.waset.org/pdf/14757.