PUTRA, Erika Surya. Peningkatan produktifitas proses perakitan material ban motor dengan metode 8 step quality control circle di Divisi Assembly Building Tire. Operations Excellence: Journal of Applied Industrial Engineering, Jakarta, Indonesia, v. 11, n. 3, p. 288–299, 2019. DOI: 10.22441/oe.v11.3.2019.037. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/oe/article/view/7126. Acesso em: 28 may. 2026.