HIA, Selamat W.; PRAMUDJITO, Prasetyo Adji Dian. Reduce mean time to repair of mining equipment with lean six sigma. Operations Excellence: Journal of Applied Industrial Engineering, Jakarta, Indonesia, v. 16, n. 3, p. 331–340, 2024. DOI: 10.22441/oe.2024.v16.i3.125. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/oe/article/view/24961. Acesso em: 28 may. 2026.