Fadhlurrahman, Andi Muhammad (2022) UPAYA MEMINIMASI DEFECT PRODUK BATA RINGAN DI PT. BUMI SARANA BETON DENGAN PENERAPAN SIX SIGMA = EFFORTS TO MINIMIZE DEFECTS IN LIGHT BRICK PRODUCTS AT PT. BUMI SARANA BETON WITH THE APPLICATION OF SIX SIGMA. Skripsi thesis, Universitas Hasanuddin.