B. Sandeep, S.Ravali, Ch.G.Prabhu Kira, V. R. S. R. G. R. (2020) “Design of Harmonic Suppressed Rat Race Coupler with Size Reduction using Single Shunt Open Stub Unit”, International Journal of Advanced Science and Technology, 29(3), pp. 3641 - 3650. Available at: https://sersc.org/journals/index.php/IJAST/article/view/5044 (Accessed: 13July2024).