AN EVALUATION OF ENGLISH TEXTBOOKS LIFE PRE-INTERMEDIATE AND ENGLISH FILE PRE-INTERMEDIATE IN THE PERSPECTIVES OF CULTURAL, POLITICAL AND LANGUAGE TEACHING ASSUMPTIONS. TCKHNN [Internet]. 2020 Jun. 1 [cited 2026 Jan. 15];(62):71-85. Available from: http://journals.hanu.edu.vn/index.php/tckhnn/article/view/81