Yen, Nguyen Thi, Pham Thi Thanh Huong, Thai Thu Thuy, and Phan Van Thanh. 2017. “Trademark Protection from Legal Perspective: Case Study on Vietnamese Enterprises”. The International Journal of Business & Management 5 (8). https://internationaljournalcorner.com/index.php/theijbm/article/view/124383.