MR. KURRI ROHAN RAMESH; PROF. JAGTAP SHRIKANT TUKARAM. THE EFFECTS OF MACHINING PARAMETERS ON SURFACE ROUGHNESS OF MATERIAL EN-31 IN EDM USING COPPER ELECTRODE . International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 2, n. 9, p. 1–8, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/555. Acesso em: 29 jan. 2026.