Chiung-Hui Chen,  Information Tree - Establishment of Lifestyle-Based IT Visual Model.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2014, vol. 89(5). 1432 - 1439
    [viewed 05 August 2020]. Available from: https://publications.waset.org/pdf/9998267.