WASET
    Matthew Montebello,  Measuring E-Learning Effectiveness Using a  Three-Way Comparison.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2017, vol. 124(4). 930 - 935
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/10006943.