Zainal Abidin, Z., M. Abdulghani Qasem, S. H. Dahlan, and M. Z. Mohd Jenu. “Novel Spiral With and Without Patch EBG Structures for EMI Reduction”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 1-5, Apr. 2017, pp. 23-26, https://jtec.utem.edu.my/jtec/article/view/1826.