Application of Six Sigma Dmaic and Kaizen Methods In Efforts to Improve The Quality of T-Shirt Isles Banana Seven Products in Textile Industry. EduMa: Mathematics education learning and teaching, [S. l.], v. 8, n. 2, p. 26–35, 2019. DOI: 10.24235/eduma.v8i2.4410. Disponível em: https://journal1.uinssc.ac.id/index.php/eduma/article/view/4410. Acesso em: 28 may. 2026.