Limestan, Erikco, Roki -, and Jusra Tampubolon. 2022. “Analisis Dan Perbaikan Produktivitas Proses Produksi Di PT. XYZ”. SPROCKET JOURNAL OF MECHANICAL ENGINEERING 4 (1), 29-36. https://doi.org/https://doi.org/10.36655/sprocket.v4i1.739.