E. Rohadi, M. Firdaus Ali, I. Siradjuddin, A. Setiawan, A. Amalia, and Y. Darmawan, “Design and Analysis of Ultra Low-Profile ILA on a Rectangular Conducting Plane”, IJET, vol. 7, no. 4.36, pp. 1285–1290, Dec. 2018, doi: 10.14419/ijet.v7i4.36.28973.