Shaher Momani, Reyad El-Khazali, Iqbal M. Batiha, Tuning PID and PID Controllers Using Particle Swarm Optimization Algorithm via El-Khazali's Approach . 45th International Conference Applications of Mathematics in Engineering and Economics (AMEE 2019), Sozopol, Bulgaria, 2019. [Scopus: Q4], AU.