WASET
    Li Gao and  Elizabeth Chang and  Song Han,  Powerful Tool to Expand Business Intelligence: Text Mining.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2007, vol. 8(8). 2666 - 2671
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/4457.