Usmanov Farzod Shokhrukhovich. A COMPREHENSIVE ANALYSIS OF THE EVOLUTION OF SCIENTIFIC VIEWS ON THE ROLE OF THE SERVICE SECTOR IN THE ECONOMY. MJ [Интернет]. 7 сентябрь 2026 г. [цитируется по 14 октябрь 2026 г.];(9):997-1009. доступно на: https://marketingjournal.uz/index.php/mj/article/view/2149