WASET
    Muhammad Faisal Zafar and  Dzulkifli Mohamad and  Razib M. Othman,  On-line Handwritten Character Recognition: An Implementation of Counterpropagation Neural Net.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2007, vol. 10(10). 3291 - 3296
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/1311.