S.K Behera, P.S Sahoo, B.B Mohanty, L.K.Mishra, R.N.P Choudhary. “Dielectric & Impedance Spectroscopy of Zirconium Modified CaBi4Ti4O15”. International Journal of Advanced Science and Technology, Vol. 29, no. 7, July 2020, pp. 12315 -25, http://sersc.org/journals/index.php/IJAST/article/view/27926.