SINTESIS DAN KARAKTERISASI BAHAN MAGNET BARIUM HEKSAFERIT (BaFe12O19) MENGGUNAKAN BAHAN DASAR BARIUM KARBONAT (BaCO3) DAN PASIR BESI DARI DAERAH PESISIR SELATAN PANDEGLANG-BANTEN (SYINTHESIS AND CHARACTERIZATION OF MAGNETIC MATERIALS BARIUM HEXAFERITTE (BaFe12O19) USING BASIC MATERIALS BARIUM CARBONATE AND IRON SAND FROM THE SOUTHERN COASTAL AREA OF PANDEGLANG-BANTEN) - Abdullah, M ARIF MUHAJIR (Fakultas MIPA, 2013)