Rohim, S.N. and Sanudin, R. (2022) “Investigation of Varactor Diode for Frequency Selectivity in Wireless Communication”, Evolution in Electrical and Electronic Engineering, 3(1), pp. 495–502. Available at: https://periodical.uthm.edu.my/index.php/eeee/article/view/6704 (Accessed: 15 August 2026).