Cheng-Che Tsai and Huang-Ming Chuang, The Role of Cognitive Decision Effort in Electronic Commerce Recommendation System. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2011, vol. 58(10). 1087 - 1091 [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/12328.