Sitorus, F., Dejoi Irfian Situngkir, A Hafizh Saifullah and Fitriadi, N. (2024) “Effect of Cutting Speed on Surface Roughness AS-Scrapper ST37 Using Coated Carbide Tool”, Jurnal Inotera. Indonesia, Jakarta, 9(1), pp. 145-151. doi: 10.31572/inotera.Vol9.Iss1.2024.ID321.