Ripin, N., W. Wan Ibrahim, A. A. Sulaiman, N. Rashid, M. F. Hussin, M. Mohd Zaman, and N. Ismail. “A Miniature Double E-Shaped Meander Line Monopole Antenna for VHF Applications”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 4, Dec. 2017, pp. 131-6, https://jtec.utem.edu.my/jtec/article/view/1680.