@article{chomtong2023dual, title={Dual-Mode Characteristic Based on Miniaturized Metamaterial for Multiband Operation Utilizing Double-Layer Interdigital and Trisection Step-Impedance Techniques}, author={Chomtong, P and Krachodnok, P and Mahatthanajatuphat, C and Somjit, N and Akkaraekthalin, P}, journal={IEEE Access}, pages={1--1}, year={2023}, publisher={Institute of Electrical and Electronics Engineers (IEEE)} }