“Analysis of the Effect of Feed Rate, Spindle Speed and Coolant on Surface the Roughness of ST 37 Steel in the Turning Process”. Jurnal Vokasi Mekanika 8, no. 2 (May 31, 2026): 77–85. Accessed June 11, 2026. http://vomek.ppj.unp.ac.id/index.php/vomek/article/view/944.