Saran Satsangi and  Ashish Saini and  Amit Saraswat,  Clustering based Voltage Control Areas for Localized Reactive Power Management in Deregulated Power System.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 503 - 509
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/7514.