“Improving the Quality of 5 Feet Knife Sharing in Subsi Grinder With Seven Quality Control Tools (Case Study at PT KUTAI TIMBER INDONESIA)”. ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK, vol. 14, no. 2, Nov. 2024, pp. 137-45, https://doi.org/10.51747/energy.v14i2.p137-145.