Ton , Nu Ai Quyen. “FACTORS AFFECTING ENGINEERING STUDENTS’ MOTIVATION IN PRACTISING ENGLISH SPEAKING SKILLS AT COLLEGE OF URBAN WORKS CONSTRUCTION”. JOURNAL OF INQUIRY INTO LANGUAGES AND CULTURES, vol. 1, no. 3, Dec. 2017, pp. 73-84, https://jilc.vn/index.php/jilc/article/view/48.