Nguyen, Kim Long, et al. “Legal Inadequacies in the Management of Adventure Tourism Products Affecting Tourists’ Life and Health”. The University of Phan Thiet Journal of Science, vol. 3, no. 4, Dec. 2025, pp. 28-41, https://tapchikhoahocupt.vn/index.php/uptjs/article/view/uptjs-96-2025.