Nabiyeva Nodira Rustamjon qizi. “THE SYSTEM OF LEVELS OF FOREIGN LANGUAGE PROFICIENCY AT THE PRESENT STAGE OF DEVELOPMENT OF METHODOLOGICAL SCIENCE”. Ethiopian International Journal of Multidisciplinary Research, vol. 11, no. 05, May 2024, pp. 157-9, https://eijmr.org/index.php/eijmr/article/view/1482.