Al Ghifarry, M.F. (2025) “Electromagnetic Simulation of Metamaterial Lens Antenna with Negative Refractive Index at 28GHz”, International Journal of Integrated Engineering, 17(6), pp. 71–83. Available at: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/21875 (Accessed: 8 April 2026).