Optimization of Drilling Parameter and Surface Roughness using different Tool Material by Drilling of CFRP Composite Material. Int. J. Curr. Eng. Technol. [Internet]. 2014 Aug. 31 [cited 2026 Apr. 11];4(4):2570-6. Available from: https://ijcet.evegenis.org/index.php/ijcet/article/view/1085