“Electrical Discharge Machining of EN-40B High Carbon Alloy Steel: Investigation of Recast Layer and Multi-Performance Optimization”. Indian Journal of Engineering and Materials Sciences (IJEMS) 32, no. 04 (November 13, 2025): 493–501. Accessed May 14, 2026. https://or.niscpr.res.in/index.php/IJEMS/article/view/17709.