Bui Ngoc Tuyen, and Le Quang Ngoc. 2019. “THE INFLUENCE OF CUTTING PARAMETERS ON THE SURFACE ROUGHNESS WHEN GRINDING SKD11 HEAT-STREATED STEEL ”. UTEHY Journal of Applied Science and Technology 21 (April), 25-29. http://jst.utehy.edu.vn/index.php/jst/article/view/4.