Urunbayeva Yulduz Pirnazarovna, and Fayzullayeva Sabrina Uyg‘un qizi. “Theoretical-Methodological Problems of Service Sector Development”. International Journal on Economics, Finance and Sustainable Development 5, no. 12 (December 7, 2023): 34–40. Accessed September 26, 2026. https://journals.researchparks.org/index.php/IJEFSD/article/view/5020.