Bui The Hong (2018) “COLLABORATIVE RECOMMENDATION SYSTEMS BASED ON SEMI-SUPERVISED FUZZY CLUSTERING METHOD AND APPLING IN CO-AUTHOR NETWORKS”, UTEHY Journal of Science and Technology, 19, pp. 38-45. Available at: https://tapchi.utehy.edu.vn/index.php/jst/article/view/86 (Accessed: 9February2023).