Tongtib, Amnad, Chawalit Khanakornsuksan, and Chawalit Khanakornsuksan. “Workspace and Manipulability Analysis of a 4-R ̅RR Redundant Planar Parallel Manipulator”. RMUTL Engineering Journal 7, no. 1 (June 1, 2022): 33–42. Accessed April 20, 2024. https://ph01.tci-thaijo.org/index.php/RMUTLEngJ/article/view/248619.