Al Graiti, Saif A., et al. “ENHANCED DESIGN OF A TRIPLE-BAND MICROSTRIP PATCH-ARRAY ANTENNA USING A MULTI-SPLIT RING RESONATOR”. Kufa Journal of Engineering, vol. 16, no. 4, Nov. 2025, pp. 680-93, https://doi.org/10.30572/2018/KJE/160440.