Ali, M.A., Khan, M.N.I., Chowdhury, F.-U.-Z., Akhter, S. and Uddin, M.M. 2015. Structural Properties, Impedance Spectroscopy and Dielectric Spin Relaxation of Ni-Zn Ferrite Synthesized by Double Sintering Technique. Journal of Scientific Research. 7, 3 (Sep. 2015), 65–75. DOI:https://doi.org/10.3329/jsr.v7i3.23358.