Urunbayeva Yulduz Pirnazarovna, Fayzullayeva Sabrina Uyg‘un qizi. Theoretical-Methodological Problems of Service Sector Development. IJEFSD [Internet]. 2023Dec.7 [cited 2024Jul.5];5(12):34-0. Available from: https://journals.researchparks.org/index.php/IJEFSD/article/view/5020