Arunima Singh, Sharad Srivastava, & Rohit Sahu. (2015). Effect of machining parameters on MRR and TWR in EDM of AISI P-20 tool steel using L18 orthogonal Array. International Journal of Advance Engineering and Research Development (IJAERD), 2(8), 42–47. Retrieved from https://ijaerd.org/index.php/IJAERD/article/view/1002