László Lengyel and Tihamér Levendovszky and Hassan Charaf, A Visual Control Flow Language and Its Termination Properties. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2007, vol. 8(8). 2552 - 2557 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/3337.