Jurayeva Dilafruz Mirzamaxmudovna. “CEFR (COMMON EUROPEAN FRAMEWORK OF REFERENCE FOR LANGUAGES: LEARNING, TEACHING, ASSESSMENT)”. International Engineering Journal For Research & Development 6, no. ICIPPS21 (June 29, 2021): 3. Accessed April 20, 2026. http://www.iejrd.com/index.php/iejrd/article/view/2185.