Truong TD. "FRANCOPHONE FREE WALKING TOURS": PRATICAL MODEL OF LANGUAGE AND PROFESSIONAL COMPETENCES FOR STUDENTS OF TOURISM, FACULTY OF FRENCH, UNIVERSITY OF FOREIGN LANGUAGES, HUE UNIVERSITY. IILC [Internet]. 2019 Apr. 30 [cited 2026 Sep. 28];3(1):14-2. Available from: http://jilc.vn/index.php/jilc/article/view/203