Tambunan, Angelica, and Rut Remita Assianna g Situmoran. “Statistical Process Control And Capability Analysis of Mechanical Component Dimensions With Operator Factor”. Jurnal Matematika, Statistika Dan Komputasi, vol. 22, no. 3, May 2026, pp. 781-94, doi:10.20956/j.v22i3.50388.