Pengaruh penambahan alumina pada kaolin dengan kadar 3 0 4 0 5 0 dan 6 0 terhadap pola difraksi sinar x untuk penentuan limit deteksi peralatan = Effect of addition alumina into kaolin with mass precentage 3 0 4 0 5 0 and 6 0 through x ray diffraction to determine limit detection of the machine / Milady Tyanto Nugroho - Milady Tyanto Nugroho, author (2015)