Abana, M. A., Jabire, A. H., and Dahiru, I. “Wideband RCS Reduction and Gain Enhancement of MIMO Antenna Using Polarization Conversion Metamaterial”. Savannah Journal of Science and Engineering Technology, vol. 2, no. 05, Apr. 2025, pp. 266-7, https://www.sajsetjournal.com.ng/index.php/journal/article/view/130.