Kyaw Myo Lin and  Pyone Lai Swe and  Khine Zin Oo,  Optimal Distributed Generator Sizing and Placement by Analytical Method and PSO Algorithm Considering Optimal Reactive Power Dispatch.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2019, vol. 145(1). 13 - 20[viewed 06 December 2019]. Available from: http://waset.org/publications/10009926.