Sugik S., Sudirman, Aloma Karo Karo, Indra Gunawan, Ari Handayani, and Anik S. 2007. “PENGARUH PENAMBAHAN COUPLING AGENT 3-AMINO PROPYLTRIETHOXYSILANE TERHADAP SIFAT MEKANIK MAGNET KOMPOSIT HEKSAFERIT BERBASIS POLIESTER”. Jurnal Sains Materi Indonesia 8 (4):170-73. https://doi.org/10.17146/jusami.2007.0.0.5134.