Alamsyah, Firman. “ANALISIS AKAR PENYEBAB MASALAH DALAM MENINGKATKAN OVERALL EQUIPMENT EFFECTIVENESS (OEE) MESIN STRIPPING HIPACK III DAN UNIMACH DI PT PFI”. Operations Excellence: Journal of Applied Industrial Engineering, vol. 7, no. 3, Apr. 2016, https://publikasi.mercubuana.ac.id/index.php/oe/article/view/542.