Puryanti, Dwi. “Effect of Heating Temperature on Magnetic Properties of Fe3O4 Synthesized by Coprecipitation Method”. JURNAL ILMU FISIKA 12, no. 1 (March 4, 2020): 11–15. Accessed May 3, 2024. http://jif.fmipa.unand.ac.id/index.php/jif/article/view/341.