Dr.D.Rama Devi, Harini Vemu, Kiranmai Manne, Dr. E. Kusuma Kumari,. “Circular Polarized Triangular Ring Slot Antenna With Filtering Characteristics”. Design Engineering (August 7, 2021): 6809- 6815. Accessed May 1, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/3196.