Nurfahri, R.A. et al. 2025. Penurunan Reject Pengemasan Minuman Serbuk Berskala Industri dengan Six Sigma DMAIC (Define, Measure, Analyze, Improve, And Control). Karimah Tauhid. 4, 5 (May 2025), 2608–2628. DOI:https://doi.org/10.30997/karimahtauhid.v4i5.19033.