S. H. Kazmi and  T. Ahmed and  K. Javed and  A. Ghani ,  Static Priority Approach to Under-Frequency Based Load Shedding Scheme in Islanded Industrial Networks: Using the Case Study of Fatima Fertilizer Company Ltd - FFL.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2015, vol. 99(3). 778 - 783
    [viewed 27 May 2022]. Available from: https://publications.waset.org/pdf/10001284.