Correa Arias and  C├ęsar,  Effectiveness and Equity: New Challenges for Social Recognition in Higher Education.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 1486 - 1493
    [viewed 07 April 2020]. Available from: https://publications.waset.org/pdf/8016.