SHARVIL D. SHAH; RAKESH K. BUMATARIA; HARSHIL V. BATHANI. Experimental Investigating Of Machining Parameters For EDM Using U-Shaped Electrode Of AISI P20 Tool Steel. International Journal of Advance Research in Engineering, Science & Technology, [S. l.], v. 2, n. 4, p. 87–95, 2015. Disponível em: https://ijarest.org/index.php/ijarest/article/view/49. Acesso em: 16 dec. 2025.