THEORETICAL AND METHODOLOGICAL FOUNDATIONS OF TEACHING RUSSIAN AS A FOREIGN LANGUAGE IN MODERN EDUCATIONAL CONDITIONS. Amer. Jour. of Inte. Rese. and Deve. [Internet]. 2026 May 2 [cited 2026 May 13];51:179-84. Available from: https://ajird.journalspark.org/index.php/ajird/article/view/1733