[1]
Arshad K. Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, and Murtala Aminu-Baba, “Metamaterial Based Compact Branch-Line Coupler with Enhanced Bandwidth for Use in 5G Applications”, ACES Journal, vol. 35, no. 6, pp. 700–708, Jun. 2020.