Davlonov B. MINTAQA MEHMONXONALARIDA AUTSORSING VA KEYTERING XIZMATLARI SAMARADORLIGINI OSHIRISH. IE [Internet]. 2026 May 30 [cited 2026 Oct. 30];5(5):71-4. Available from: https://globalsciencehub.uz/index.php/IE/article/view/272