WASET
    Hei-Chia Wang and  Wei-Pin Chiu,  Research Trend Analysis – A Sample in the Field of Information Systems.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 600 - 602
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/14694.