Kittitorn Namsanga และผู้แต่งคนอื่นๆ. (2017) Comparison of surface roughness of drawbead on non symmetry deep drawing of sheet metal by using finite element simulation. <i>NARESUAN UNIVERSITY ENGINEERING JOURNAL</i>, <i>12</i>(1), 63-72.Kittitorn Namsanga และผู้แต่งคนอื่นๆ. "Comparison of surface roughness of drawbead on non symmetry deep drawing of sheet metal by using finite element simulation". NARESUAN UNIVERSITY ENGINEERING JOURNAL 12 (2017):63-72.Kittitorn Namsanga และผู้แต่งคนอื่นๆ. Comparison of surface roughness of drawbead on non symmetry deep drawing of sheet metal by using finite element simulation. Faculty of Engineeing Naresuan University:ม.ป.ท. 2017.