Ber Budi Wicaksono, Rosehan, and Harto Tanujaya. “Analisis Perubahan Kekerasan Material Terhadap Pembubutan”. V-MAC (Virtual of Mechanical Engineering Article) 9, no. 2 (September 2, 2024): 8-17. Accessed December 8, 2024. https://ejournal.unibabwi.ac.id/index.php/vmac/article/view/3967.