Kati Kõrbe Kaare and  Ott Koppel,  Improving the Road Construction Supply Chain by Developing a National Level Performance Measurement System: the Case of Estonia.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2012, vol. 62(2). 217 - 223
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/10265.