Nguyen, Thi Hien, and Thi Bich Thuy Tran. “COMPARISON OF DIRECTIVE SPEECH ACTS IN RUSSIAN AND VIETNAMESE BASED ON RUSSIAN SPEAKING TEXTBOOKS FOR RUSSIAN-MAJOR STUDENTS IN THE EARLY STAGE OF THEIR STUDY”. JOURNAL OF INQUIRY INTO LANGUAGES AND CULTURES, vol. 4, no. 3, Dec. 2020, pp. 342-54, https://doi.org/10.63506/jilc.0403.145.