Hồ, Thành, Hồ Nguyễn, Sử Lê, Hiền Lê Thị, Phúc Nguyễn, and Thiền Lê. “Analysis of Online User Sentiment and Behavior in the Tourism Sector in Vietnam Based on Reviews and Comments”. Science & Technology Development Journal: Economics- Law & Management 7, no. 1 (March 31, 2023): 4089-4103. Accessed May 6, 2024. http://stdjelm.scienceandtechnology.com.vn/index.php/stdjelm/article/view/1187.