Mappatao, Gerino P., and Pinky Tumaliuan-Jimenez. “Characterization and Optimization of a Collinear Array of Circularly Polarized Side-Mounted Elements”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI), vol. 8, no. 3, Sept. 2020, pp. 486-93, https://doi.org/10.52549/ijeei.v8i3.1279.