M. Stoyanova, S. Hristova. ASSESSMENT OF THE FACTORS INFLUENCING THE ATTRACTIVENESS OF VARNA AS A DESTINATION FOR CONFERENCE TOURISM. 6th SWS International Scientific Conference on Social Sciences ISCSS 2019, 2019, pp. 25-32. https://doi.org/10.5593/SWS.ISCSS.2019.2/S04.004