FEBRIANI, Elsa; ASDI, Yudiantri; YOZZA, Hazmira. Penerapan Diagram Kendali D2 (Mahalanobis Distance) dalam Menganalisis Kualitas Produksi Percetakan Koran (Studi Kasus: Unit Percetakan PT. Padang Graindo Mediatama). Jurnal Matematika UNAND, [S. l.], v. 4, n. 3, p. 7–16, 2019. DOI: 10.25077/jmu.4.3.7-16.2015. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/489. Acesso em: 2 nov. 2026.