Sahrupi, Sahrupi, Gerry Anugrah Dwiputra, and Uswatun Chasanah. 2020. “Implementation of Lean Manufacturing to Enhance the Efficiency of Acrylic Resins Production Process”. Jurnal Sistem Dan Manajemen Industri 4 (1):50-60. https://doi.org/10.30656/jsmi.v4i1.1488.