Noopura, S. P., A. Jain, and M. V. Jayan. “Fuzzy and PID Stabilizers for Power Systems for Small Signal Stability Enhancement”. Power Research - A Journal of CPRI, Jan. 2015, pp. 1-6, https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/739.