Effect of the external turnings process on surface roughness of steel37. مجلة الرفاق للمعرفة, [S. l.], n. 7, p. 1–23, 2021. DOI: 10.64489/rkxm9466. Disponível em: https://journal.alrefak.edu.ly/index.php/aaj/article/view/45. Acesso em: 21 2025.