“MEASUREMENT OF WORKING TIME IN THE PRODUCTION PROCESS ”KERUPUK IKAN”IN GRESIK HOME INDUSTRY: MEASUREMENT OF WORKING TIME IN THE PRODUCTION PROCESS ”KERUPUK IKAN”IN GRESIK HOME INDUSTRY” (2018) Tibuana : Journal of Applied Industrial Engineering, 1(1), pp. 20–23. doi:10.36456/tibuana.1.1.1586.20-23.