Adrial, H. et al. 2023. Analysis Crystal Structure and Magnetic Properties of Strontium Ferrite (SrO6Fe2O3) Made Using Powder Metallurg. Piston: Journal of Technical Engineering. 7, 1 (Aug. 2023), 44–48. DOI:https://doi.org/10.32493/pjte.v7i1.33184.