Lin Cheng and  Zijiang Yang,  GRCNN: Graph Recognition Convolutional Neural Network for Synthesizing Programs from Flow Charts.   journal   = {International Journal of Cognitive and Language Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2020, vol. 162(6). 230 - 235
    [viewed 23 September 2020]. Available from: https://publications.waset.org/pdf/10011284.