Elizabeth Downs and  Judith Repman and  Kenneth Clark,  Developing a Research Framework for Investigating the Transparency of ePortfolios.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 764 - 766
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/15029.