S. H. Eisa Osman, G. K. Irungu, and D. K. Murage, “Application of FVSI, Lmn and CPF Techniques for Proper Positioning of FACTS Devices and SCIG Wind Turbine Integrated to a Distributed Network for Voltage Stability Enhancement”, Eng. Technol. Appl. Sci. Res., vol. 9, no. 5, pp. 4824–4829, Oct. 2019.