WASET
    H. Shayeghi and  M. Mahdavi and  A. Kazemi,  Discrete Particle Swarm Optimization Algorithm Used for TNEP Considering Network Adequacy Restriction.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2009, vol. 27(3). 521 - 528
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/5647.