Jalal Khan and Daniyal Ali Sehrai and Shakeel Ahmad, Design and Performance Comparison of Metamaterial Based Antenna for 4G/5G Mobile Devices. journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2018, vol. 138(6). 382 - 387 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10009045.