“A Novel Compact Design of Multi-Band Frequency Selective Surface for 5G Applications Using a CNN-GNN Hybrid Network Optimization”. Indian Journal of Pure & Applied Physics (IJPAP) 64, no. 8 (August 17, 2026). Accessed August 18, 2026. https://or.niscpr.res.in/index.php/IJPAP/article/view/28621.