Aldrewy, Siraj Aldeen M., et al. “Performance Comparison of Circular Patch Antennas Using Three Different Substrates at MmWave for 5G Systems ”. The Annual Scientific Conference for Undergraduate and Postgraduate Students, Alasmarya Islamic University, vol. 1, Dec. 2023, pp. 6.61-74, https://conf.asmarya.edu.ly/index.php/scupgs/article/view/573.