Subrahmanyam K, Bhanu Sri Mounika K, Keerthana M, Rama Rao G, Prathusha A, and Ramprasad Ravula, “Design of Wideband Backed Cavity Volumetric Dumbbell-Shaped Slot Antenna Using SIW Technology”, Int J Sci Res Sci Eng Technol, vol. 12, no. 2, pp. 585–593, Apr. 2025, doi: 10.32628/IJSRSET25122180.