Nezhadsattari, Hamed, and Aref Jalili irani. “Analysis Network Voltage Control With The Regard of Wind Turbines and the Placement of PMU With Using Algorithm DAPSO”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 30, no. 2, Oct. 2016, pp. 217-29, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/6411.