Simamora, Pintor, and Krisna Krisna. 2015. “SINTESIS DAN KARAKTERISASI SIFAT MAGNETIK NANOKOMPOSIT Fe3O4 – MONTMORILONIT BERDASARKAN VARIASI SUHU”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) 4 (October):SNF2015-VII. https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/5181.