B. S. Fatoyinbo and  D. Stretch and  O. T. Amoo and  D. Allopi,  Catchment Yield Prediction in an Ungauged Basin Using PyTOPKAPI.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2017, vol. 123(3). 281 - 288
    [viewed 26 January 2022]. Available from: https://publications.waset.org/pdf/10006803.