Quang, Nguyen. “Measuring Tourism Value Chains through Tourist Satisfaction in Vietnam”. Science & Technology Development Journal: Economics- Law & Management 6, no. 4 (January 31, 2023): 3655-3664. Accessed December 4, 2024. https://stdjelm.scienceandtechnology.com.vn./index.php/stdjelm/article/view/1065.