E. Praynlin and  P. Latha,  Software Effort Estimation Models Using Radial Basis Function Network.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 85(1). 258 - 263
    [viewed 15 October 2019]. Available from: https://publications.waset.org/pdf/9997822.