Watcharayut Lumdoun และผู้แต่งคนอื่นๆ. (2022) Finite element analysis of the effect of angles on impact helmet. <i>Engineering and Applied Science Research</i>, <i>49</i>(5), 643-656.Watcharayut Lumdoun และผู้แต่งคนอื่นๆ. "Finite element analysis of the effect of angles on impact helmet". Engineering and Applied Science Research 49 (2022):643-656.Watcharayut Lumdoun และผู้แต่งคนอื่นๆ. Finite element analysis of the effect of angles on impact helmet. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2022.