Akbar, S. A., A. K. Singh, and K. B. Datta. 2009. “Mixed H>sub<2</sub>/H>sub<&#8734;</Sub> Control of Continuous-Time Singularly Perturbed System-State Feedback Computations”. Power Research - A Journal of CPRI, March, 89-100. https://cprijournal.in/index.php/pr/article/view/965.