Nguyen Hoang Diep, Nguyen Thi Hai Nang, Do Thi Thu Trang, Ngo Thanh Huyen, and Trinh Thi Nhi. “VIETNAMESE MULTI-DOCUMENT SUMMARIZATION BASE UNSUPERVISED LEARNING METHODS”. UTEHY Journal of Science and Technology 24 (January 14, 2020): 66-71. Accessed April 20, 2024. http://tapchi.utehy.edu.vn/index.php/jst/article/view/326.