FERDIAN, S. R.; RAJAGUKGUK, J. R. Analisis Pengaruh Variasi Kecepatan Spindel Terhadap Kekasaran Permukaan Material Scr420h Hasil Pemesinan CNC Turning Mazak Quick Turn Smart 250. SENTRI: Jurnal Riset Ilmiah, [S. l.], v. 5, n. 7, p. 3528–3545, 2026. DOI: 10.55681/sentri.v5i7.6974. Disponível em: https://ejournal.nusantaraglobal.ac.id/index.php/sentri/article/view/6974. Acesso em: 18 aug. 2026.