On August 19 of this year, in the large conference hall of the International University of Tourism and Cultural Heritage "Silk Road" at the Scientific Council numbered DSc.33/01.02.2022.I.145.01 under the university, Abdurakhmanova Aqida Fayzulla qizi, the main doctoral student of the Samarkand branch of the Tashkent State University of Economics, at 08.00.17 - in the specialty “Tourism and Hotel Operations” The defense of her dissertation on the topic “Improving methods of effective use of ecological tourism potential in the regions” for the degree of Doctor of Philosophy (PhD) and on the same day, the independent researcher of the Samarkand Institute of Economics and Service Abdullayeva Zulfiya Izzatovna, in order to receive the degree of Doctor of Philosophy (PhD) in the specialty “Tourism and Hotel Operations”, dissertation on the topic of “Ways to improve the organizational and economic mechanism of hotel business development” defense of her work was held.