Maduforo, P. C., J. N. Emechebe, E. M. Eronu, and S. A. Benson. “Sensitivity Based Approach for the Optimal Sizing and Allocation of Distributed Generation in a Radial Network”. European Journal of Engineering and Technology Research, vol. 5, no. 6, June 2020, pp. 751-6, doi:10.24018/ejeng.2020.5.6.1978.