Fariba Haghbin and  Othman Bin Ibrahim and  Mohammad Reza Attarzadeh Niaki,  Knowledge Relationship Model among User in Virtual Community.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2010, vol. 48(12). 2292 - 2294
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/7477.