Yan Zhong, Jianhong He Yanrui Gao. “Influencing Factors OTA Hotel Online Comments Usefulness-Based on Research of Text Analysis”. International Journal of Social Sciences and Humanities Invention 4, no. 9 (September 10, 2017): 3946–3950. Accessed May 14, 2024. http://valleyinternational.net/index.php/theijsshi/article/view/894.