Kanchanaharuthai, Adirak. “Nonlinear Adaptive Controller Design for Power Systems with STATCOM via Immersion and Invariance”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 14, no. 2 (May 30, 2016): 35–46. accessed April 6, 2025. https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/171133.