Julinda Keçi,  Public Private Partnership for Infrastructure Projects: Mapping the Key Risks.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2015, vol. 105(9). 3141 - 3151
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10002398.