Dao, T. S., & Vu, M. T. (2017). An evaluation of the text book New English File Pre-intermediate" for the first year non-English majored students at University of Social Sciences and Humanities; suggestions for book use and adaptation. University of Languages and International Studies.

Dao, Thi Sang, and Mai Trang Vu. An Evaluation of the Text Book New English File Pre-intermediate" for the First Year Non-English Majored Students At University of Social Sciences and Humanities; Suggestions for Book Use and Adaptation. University of Languages and International Studies, 2017.

Dao, Thi Sang, and Mai Trang Vu. An Evaluation of the Text Book New English File Pre-intermediate" for the First Year Non-English Majored Students At University of Social Sciences and Humanities; Suggestions for Book Use and Adaptation. University of Languages and International Studies, 2017.