Lim, B.-C., Kim, D.-H., Lee, H.-S., & Park, S.-H. (2019). Evaluation of Mechanical Characteristics based on Tool Pin Shapes in Friction Stir Welding of A6061-T6. International Journal of Engineering and Technology, 8(1.4), 45-55. https://doi.org/10.14419/ijet.v8i1.4.25132