S. Rao Rayapudi,  An Intelligent Water Drop Algorithm for Solving Economic Load Dispatch Problem.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2011, vol. 58(10). 1378 - 1384
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/11394.