D. T. . Rahardjo, S. . Budiawanti, S. . Suharno, R. . Suryana, A. . Supriyanto, and B. . Purnama, “Decreasing of Magnetic Saturation of Yttrium Doped Cobalt Ferrite Prepared by the Sol-Gel Auto-Combustion”, Trends Sci, vol. 21, no. 4, p. 7320, Feb. 2024.