M. Mazni, W. D. W. Yusoff, Z. A. Talib, S. A. Halim, and C. P. Walter, “IMPEDANCE SPECTROSCOPY ON HIGH DIELECTRIC PERMITTIVITY OF Ca1-xSrxCu3Ti4O12 CERAMIC SAMPLES”, Solid State Sci. Technol., vol. 15, no. 2, pp. 1–8, Apr. 2026, doi: 10.66514/.