Nursyarizal Mohd Nor and  Ramiah Jegatheesan and  Perumal Nallagownden,  Newton-Raphson State Estimation Solution Employing Systematically Constructed Jacobian Matrix.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2008, vol. 18(6). 1102 - 1106
    [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/12948.