Mohd Bahar, A. A., Z. Zakaria, A. Awang Md Isa, Y. Dasril, and R. A. Alahnomi. “The CSIW Resonator Sensor for Microfluidic Characterization Using Defected Ground Structure”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 10, no. 2-6, July 2018, pp. 35-40, https://jtec.utem.edu.my/jtec/article/view/4366.