N. M. Nawi and  M. R. Ransing and  R. S. Ransing,  An Improved Learning Algorithm based on the Conjugate Gradient Method for Back Propagation Neural Networks.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2008, vol. 20(8). 2770 - 2774
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/446.