Siva Kumar, M., Rao, D. S. and Ramalinga Raju, M. (2018) “Design of Robust Stabilizing PI/PID Controller for time delay Interval Process Plants Using Particle Swarm Optimization”, Advances in Systems Science and Applications, 18(4), pp. 92–120. doi: 10.25728/assa.2018.18.4.536.