Nguyen Thi Thuy Van; Nguyen Thi Ngoc Anh. 2014. “RESEARCH ON THE APPLICATION OF MARKETING VIA EMAIL AT HOTELS IN HUE CITY – FROM THE PERSPECTIVE OF ENTERPRISES”. The University of Danang - Journal of Science and Technology 10 (83):86-90. https://jst-ud.vn/jst-ud/article/view/1043.