WASET
    Martina Holenko Dlab and  Natasa Hoic-Bozic and  Ivica Boticki,  A Design-Based Approach to Developing a Mobile Learning System.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2017, vol. 130(10). 2444 - 2449
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10008028.