Yunasfi et al. 2017. SINTESIS BAHAN ABSORBER GELOMBANG MIKRO Ni(1,5-x)LaxFe1,5O4 DENGAN METODE SOL-GEL. Jurnal Sains Materi Indonesia. 19, 1 (Oct. 2017), 19–24. DOI:https://doi.org/10.17146/jsmi.2017.19.1.4131.