Bui, C. D., A. Desai, T. T. K. Nguyen, and T. K. Nguyen. “Fully Transparent Metamaterial AMC Backed CPW Fed Monopole Antenna for IoT Applications”. Vietnam Journal of Science and Technology, vol. 59, no. 5, Oct. 2021, pp. 623-3, doi:10.15625/2525-2518/59/5/15851.