A. Bahar Ganiyeva and  M. Sabuhi Tanriverdiyev ,  The State Support to the Tourism Policy Formation Mechanism in Black Sea Basin Countries (Azerbaijan, Turkey, Russia, Georgia) and Its Impact on Sustainable Tourism Development.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2019, vol. 152(8). 1137 - 1146
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10010701.