Narayana, P.Lakshmi, M. Venkatesan, and S. Ravindra. “Fast Load Voltage Stability Index Constrained PMU Placement for Complete Observability”. International Journal of Engineering & Technology 7, no. 4.24 (November 27, 2018): 20–25. Accessed December 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/21764.