Ishak, S. F., Denny, Y. R. and Oktarisa, Y. (2026) “Crystal Structure Characterization of Fe3O4 Nanoparticles Synthesized via the Co-precipitation Method Using X-Ray Diffraction”, SEARCH: Science Education Research Journal, 4(2), pp. 307–316. doi: 10.47945/search.v4i2.3005.