Analisis Nilai Fraksi β Dari Film Tipis Polimer Komposit PVDF/Fe3O4 Terhadap Konsentrasi Fe3O4. (2020). Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics, 3(1), 29-34. https://doi.org/10.15408/fiziya.v3i1.15020