Arifin, M Zikri, Mairizwan Mairizwan, Asrizal Asrizal, and Mona Sari. “Portable Impedance Spectrometer for Characterizing the Electrical Properties of Dielectric Materials Using A Goertzel Filter”. Journal of Experimental and Applied Physics 4, no. 1 (March 31, 2026). Accessed April 19, 2026. https://jeap.ppj.unp.ac.id/index.php/jeap/article/view/166.