Guanqun Shi and  Xueqing Zhang,  A Comparative Study of Insurance Policies Worldwide in Public Private Partnerships.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 130(10). 2531 - 2534
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10008402.