Ro'ziboyeva Dilshoda, Xolmatova Gavhar. An Extended Analytical Overview of the CEFR System from A1 to C2. JELSI [Internet]. 2025 Dec. 14 [cited 2026 Jan. 26];3(12):385-7. Available from: https://innovativepublication.uz/index.php/jelsi/article/view/4733