The following paper is indexed in IEEEXplore now:
A. Alahmed, S. Taiwo and M. Abido, "Implementation and Evaluation of Grey Wolf optimization Algorithm on Power System Stability Enhancement," 2019 IEEE 10th GCC Conference & Exhibition (GCC), Kuwait, Kuwait, 2019, pp. 1-6. doi: 10.1109/GCC45510.2019.1570512680 [Link]