Sattorova Muxsina Dilshod qizi, Ravshanqulova Madina Alisher qizi, and Rustamova Munisa Ğulomovna, “CEFR TIZIMIGA KIRISH”, Journal of new century innovations, vol. 89, no. 2, pp. 96–99, Nov. 2025, doi: 10.64941/bb2n7r02.