SINGH, 1Chitranshu B. 2Aditya S. A STUDY OF SURFACE ROUGHNESS IN DRILLING OF AISI H11 USING RSM. International Journal of Engineering Science and Generic Research, [S. l.], v. 2, n. 3, 2016. Disponível em: https://ijesar.in/index.php/ijesar/article/view/14. Acesso em: 20 sep. 2021.