NIRANATLAMPHONG, W., & CHOOCHAIWATTANA, W. (2017). Hybrid Approach for a Knowledge Recommender Service: A Combination of Item-Based and Tag-Based Recommendation. Walailak Journal of Science and Technology (WJST), 14(10), 791–799. Retrieved from https://wjst.wu.ac.th/index.php/wjst/article/view/4167