REVANASIDDAPPA BYAKOD; DR. H D GOPALAKRISHNA; SKLN PRASANNA. EFFECT OF THIN FILM COATINGS ON DRILL BIT. International Journal of Advance Research in Engineering, Science & Technology, [S. l.], v. 1, n. 1, p. 6–10, 2014. Disponível em: https://ijarest.org/index.php/ijarest/article/view/3. Acesso em: 7 feb. 2026.