WASET
    A. Vasan,  Particle Swarm Optimization for Design of Water Distribution Systems.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2012, vol. 66(6). 409 - 413
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/15557.