KatitsE., Szalka Éva, NagyF., and KönczölT. “HUNGARIAN TOP COMPANIES IN TOURISM, OR FINANCIAL DIAGNOSIS FOR A SUCCESFUL SECTOR”. Multidisciplinary Challenges, Diverse Responses - Journal of Management and Business Administration, no. 2, Dec. 2019, pp. 71-97, doi:10.33565/MKSV.2019.02.04.