Fajrah, Nofriani, and Noviardi. “Analisis Performansi Mesin Pre-Turning Dengan Metode Overall Equipment Effectiveness Pada PT APCB”. Jurnal Optimasi Sistem Industri, vol. 17, no. 2, Oct. 2018, pp. 126-34, doi:10.25077/josi.v17.n2.p126-134.2018.