Analysis of the Effect of Feed Rate, Spindle Speed and Coolant on Surface the Roughness of ST 37 Steel in the Turning Process. Vomek [Internet]. 2026 May 31 [cited 2026 Jun. 11];8(2):77-85. Available from: http://vomek.ppj.unp.ac.id/index.php/vomek/article/view/944