Hassan M. Elkamchouchi and Samy H. Darwish and Yasser H. Elkamchouchi and M. E. Morsy, Directivity and Gain Improvement for Microstrip Array Antenna with Directors. journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2016, vol. 113(5). 647 - 651 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10004441.