WASET
    Benalia Nadia and  Bensiali Nadia and  Mekki Mounira,  Voltage Stability Proximity Index Determined by LES Algorithm.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2012, vol. 66(6). 548 - 552
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/12707.