1. M. Alwan, Stability of hybrid singularly perturbed systems with time delay, Master’s Thesis, University of Waterloo, Ontario, Canada, 2006
2. Numerical Methods for Delay Differential Equations;Bellen,2003
3. On the stability bounds of singularly perturbed systems;Chen;IEEE Trans. Automat. Control,1990
4. Time-scale Modeling of Dynamic Networks with Applications to Power Systems,1982
5. A converse Lyapunov theorem for a class of dynamical systems which undergo switching;Dayawansa;IEEE Trans. Automat. Control,1999