WASET
    Douglas A. Menezes and  Isabel D. Nunes and  Ulrich Schiel,  A Formal Approach for Instructional Design Integrated with Data Visualization for Learning Analytics.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2017, vol. 130(10). 2376 - 2385
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10007980.