On October 19, 2023, at 10:30, in the conference hall of “Silk Road” International University of Tourism and Cultural Heritage within the meeting of Scientific Council DSc.33/01.02.2022.I.145.01 which grants scientific degrees in economic sciences, the defense of dissertation work on the topic “Increasing efficiency of using the economic potential in the sphere of tourism” of Kholbayev Shakhriyor Abdullaevich on specialty 08.00.17 “Tourism and hotel activity”, a doctorate student of Samarkand State University named after Sharaf Rashidov for the degree of Doctor of Philosophy (PhD).