Penerapan Six Sigma dalam Pengendalian Kualitas Produk AMDK “Afiyah” pada PT Bakid Karunia Sejahtera Lumajang. Jurnal Optimasi Teknik Industri (JOTI), [S. l.], v. 7, n. 2, p. 88–98, 2025. DOI: 10.30998/joti.v7.i2.616. Disponível em: https://newjournal.lppmunindra.ac.id/index.php/JOTI/article/view/616. Acesso em: 2 jun. 2026.