Kisel, Olesya V., Angelina I. Dubskikh, Yekaterina A. Lomakina, Anna V. Butova, and Elena S. Potrikeeva. “Differentiated Approach As a Factor on Development of students’ Professional Communicative Competence”. Amazonia Investiga 8, no. 19 (April 29, 2019): 287–297. Accessed July 3, 2024. https://amazoniainvestiga.info/index.php/amazonia/article/view/230.