WASET
    Sarma Cakula and  Maija Sedleniece,  E-Learning Methodology Development using Modeling.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1556 - 1560
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/1154.