Umurova M. XIZMAT KO’RSATISH SUBYEKTLARI FAOLIYATIDA SAMARADORLIKNI ANIQLASH VA UNI OSHIRISH MEHANIZMLARI. KU [Internet]. 2024 Jun. 30 [cited 2024 Sep. 16];11(11):41-3. Available from: https://herald.kokanduni.uz/index.php/public_html/article/view/950