EKAWATI, Y. .; DONALIAZARTI. Penerapan Sigma Metrics untuk Peningkatan Kontrol Kualitas Laboratorium. Scientific Journal, [S. l.], v. 5, n. 3, p. 299–306, 2026. DOI: 10.56260/sciena.v5i3.360. Disponível em: https://journal.scientic.id/index.php/sciena/article/view/360. Acesso em: 15 jul. 2026.