Split ring resonator loaded EF-structured left-handed metamaterial for modern electronic communicationsAhmed Mahfuz Tamim, Mohammad Rashed Iqbal Faruque, Mohammad Tariqul Islam and Sabirin AbdullahEur. Phys. J. Appl. Phys., 88 3 (2019) 30901DOI: https://doi.org/10.1051/epjap/2020190311