WASET
    J. Lonska and  V. Boronenko,  What is the Key Element for the Territory's State of Development?.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2013, vol. 76(4). 885 - 890
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/1490.