Lo, Win-Tsung, Yue-Shan Chang, Ruey-Kai Sheu, and JaiE. Jung. 2014. “The Practice of Two-Phase Recommender System for Sporting Goods”. Malaysian Journal of Computer Science 27 (2):138-55. https://malindojournal.um.edu.my/index.php/MJCS/article/view/6810.