WASET
    Loay A. Altamimi,  More than Two Decades of Research on Groupware: A Systematic Lexical Analysis.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 98(2). 525 - 530
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10000559.