Ridwan, Grace Tj. Sulungbudi, & Mujamilah. (2003). SINTESIS BAHAN MAGNET BARIUM HEXAFERRITE MEMANFAATKAN SUMBER DAYA ALAM LOKAL. Jurnal Sains Materi Indonesia, 5(1), 29–33. https://doi.org/10.17146/jusami.2003.5.1.5202