Data-Driven Analysis of Machining Parameters Affecting Surface Roughness (Ra) in CNC Turning of Al6061 Using OLS Method. Vomek [Internet]. 2026 May 31 [cited 2026 Jun. 11];8(2):110-8. Available from: http://vomek.ppj.unp.ac.id/index.php/vomek/article/view/955