“IMPEDANCE MODELLING OF METAMATERIAL STRUCTURE BASED ON DOUBLE QUAD-SQUARE SPLIT RING RESONATOR (DQS-SRR) AT 2.4 GHZ AND 7.4 GHZ”. Jurnal Teknologi (Sciences & Engineering), vol. 78, no. 5-7, July 2016, https://doi.org/10.11113/jt.v78.8727.