Sadkhan, A. S. B., and Mohsen Nickray. “Hybrid Emperor Penguin and Gravitational Search Optimization for Efficient Task Co-Offloading in Fog Computing Environments”. Statistics, Optimization & Information Computing (November 15, 2025). Accessed November 23, 2025. http://47.88.85.238/index.php/soic/article/view/2979.