K. A. KALHORO, M. KHALID, A. D. CHANDIO, M. A. KALHORO, and N. CHANNA. 2017. “Impedance Spectroscopy of Copper Substituted Nickel Ferrite Nan Particles ”. Sindh University Research Journal - SURJ (Science Series) 49 (3). https://doi.org/10.26692/surj.v49i3.1512.