WASET
    Danupun Visuwan and  Pongchanun Luangpaiboon,  Determination of the Proper Quality Costs Parameters via Variable Step Size Steepest Descent Algorithm.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2011, vol. 56(8). 1111 - 1116
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/1905.