“Experimental Test on Rehabilitation Robot Manipulator Upper Limb with Impedance Control for Flexion-Extension Path Following Motion”, Internetworking Indonesia, vol. 11, no. 2, pp. 39–43, Dec. 2019, Accessed: Oct. 16, 2025. [Online]. Available: https://internetworkingindonesia.org/index.php/iij/article/view/99