ZAHZOUH, Z.; SOUILAH, N. OPTIMUM ENERGY CALCULATION FOR A DRILL HAMMER-BLOW RH571- 4W. Journal of Fundamental and Applied Sciences, [S. l.], v. 13, n. 1, p. 151–171, 2020. DOI: 10.4314/jfas.v13i1.9. Disponível em: https://jfas.info/index.php/JFAS/article/view/862. Acesso em: 12 mar. 2026.