Dang Thi Kim Thoa, Nguyen Thi Huyen. Factors affecting the intention to purchase smart travel cards of Crystal Holidays Joint Stock Company. VNU-JEB [Internet]. 2024 Aug. 25 [cited 2024 Dec. 22];4(4):108. Available from: https://jeb.ueb.edu.vn/index.php/jeb/article/view/249