Niranatlamphong, Winyu, and Worasit Choochaiwattana. “A Hybrid Knowledge Discovery System Based on Items and Tags”. Journal of Reviews on Global Economics 6 (June 9, 2009): 321–327. Accessed December 22, 2024. https://lifescienceglobal.com/pms/index.php/jrge/article/view/4746.