ANALISIS UKURAN PARTIKEL NANOKOMPOSIT Fe3O4/SiO2/ALGINAT MENGGUNAKAN SCHERRER FORMULA. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE, [S. l.], v. 7, p. 32–35, 2023. DOI: 10.33019/snppm.v7i0.4825. Disponível em: https://journal.ubb.ac.id/index.php/snppm/article/view/4825. Acesso em: 14 jun. 2026.