B. Tolibjonov, Sh. Samandarov, D.Umirzakova, and Y.Yunusova. “Teaching and Learning Foreign Languages in Uzbekistan. CEFR: Learning, Teaching and Assessment”. International Journal on Integrated Education 3, no. 1 (March 1, 2020): 57-61. Accessed May 4, 2024. https://journals.researchparks.org/index.php/IJIE/article/view/40.