WASET
    Ana Bobirca and  Paul-Gabriel Miclaus,  A Multilevel Comparative Assessment Approach to International Services Trade Competitiveness: The Case of Romania and Bulgaria.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2007, vol. 6(6). 122 - 127
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/13233.