M. MUNIR, S. S.QURESHI, S. H. KIANI, K. MAHMOOD, J. KHAN, and U. FAROOQ. “Performance Analysis Between Single and Dual Substrate Patches for Wireless Communication and Applications”. Sindh University Research Journal - SURJ (Science Series), Vol. 49, no. 1, Jan. 2021, https://sujo.usindh.edu.pk/index.php/SURJ/article/view/2973.