Berdiyev A. Samarqand viloyatida xizmat ko‘rsatish sohasining holati va innovatsion rivojlanish tendensiyalari tahlili. GED [Internet]. 2023 Aug. 30 [cited 2026 Apr. 22];1(8). Available from: https://green-eco.uz/index.php/GED/article/view/1238