1. D.G. Fang, Antenna Theory and Microstrip Antennas (CRC Press, 2017)
2. Y.S. Mezaal, New compact microstrip patch antennas: design and simulation results. Indian J. Sci. Technol. 9(12) (2016)
3. J.K. Ali, S.F. Abdulkareem, A circle-based fractal slot antenna for dual-band wireless applications, in IEEE Mediterranean Microwave Symposium (MMS’2013), Saida, Lebanon, 2–5 Sept 2013
4. J.K. Ali, A new dual band e-shaped slot antenna design for wireless applications, in PIERS Proceedings, Suzhou, China, 12–16 Sept 2011
5. W.-L. Chen, G.-M. Wang, C.-X. Zhang, Bandwidth enhancement of a microstrip-line-fed printed wide-slot antenna with a fractal-shaped slot. IEEE Trans. Antennas Propag. 57(7) (2009)