S. S. MEMON, A. A. JAMALI, M. R. ANJUM, M. M. MEMON, and S. F. QADRI. 2020. “Vivaldi Antenna for Ground Penetrating Radar Applications ”. Sindh University Research Journal - SURJ (Science Series) 50 (1). https://sujo.usindh.edu.pk/index.php/SURJ/article/view/1275.