WASET
    Ebitisam K. Elberkawi and  Mohamed M. Elammari,  Producing Graphical User Interface from Activity Diagrams.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2015, vol. 99(3). 667 - 672
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10000648.