Alfatiyah, R., and S. Bastuti. “IMPROVING THE EFFECTIVENESS OF PRIMARY ROLLING MACHINE WITH OEE AND SIX BIG LOSSES METHOD”. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, vol. 14, no. 2, Dec. 2020, pp. 85-93, doi:10.24853/sintek.14.2.85-93.