Kumar, A., M. Gora, S. Kumar, B. Choudhary, P. Maheshwari, and S. Dolia. “Reitveld Refinement, Structural, Optical Band Gap and Low-Temperature Magnetic Characterization of Gd3+ Doped Spinel Cubic CoFe2O4 Nanoparticles”. Bangladesh Journal of Scientific and Industrial Research, vol. 57, no. 3, Sept. 2022, pp. 173-86, doi:10.3329/bjsir.v57i3.62019.