WASET
    David Calderón Villegas and  Thomas Kalitzky,  Technical, Environmental, and Financial Assessment for the Optimal Sizing of a Run-of-River Small Hydropower Project: A Case Study in Colombia.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2021, vol. 177(9). 555 - 563
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10012257.