A. Leśniak and E. Plebankiewicz and K. Zima, Procurement for Management Services in Delivery of Public Construction Projects in Poland. journal = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2012, vol. 67(7). 1734 - 1738 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/1735.