2026. Performance Comparison of a W–T-Shaped Microstrip Patch Antenna Loaded with Dgs, Csrr and Fss Using Rogers and Fr-4 Substrates. International Research Journal on Advanced Engineering Hub (IRJAEH). 4, 08 (Sep. 2026), 5212–5217. DOI:https://doi.org/10.47392/IRJAEH.2026.0682.