Albert Singh, N., K. A. Muraleedharan, and K. Gomathi. 2010. “Power System Stabilization by a Coordinated Application of Power System Stabilizers Using Hierarchical Neuro-Fuzzy Logic”. Power Research - A Journal of CPRI, March, 5-14. https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/680.