Md. Mahbubur Rahim,  A Qualitative Evaluation of an Instrument for Measuring the Influence of Factors Affecting Use of Business-to-Employee (B2E) Portals.   journal   = {International Journal of Industrial and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2008, vol. 22(10). 1093 - 1102
    [viewed 16 May 2021]. Available from: https://publications.waset.org/pdf/11295.