Limestan, E., R. -, and J. Tampubolon. “Analisis Dan Perbaikan Produktivitas Proses Produksi Di PT. XYZ”. SPROCKET JOURNAL OF MECHANICAL ENGINEERING, Vol. 4, no. 1, Aug. 2022, pp. 29-36, doi:https://doi.org/10.36655/sprocket.v4i1.739.