Sh.P. , A. et al. 2020. Structural and Kinematic Analysis of Gear and Lever Differential Mechanisms by Symmetric Movement of Rotation Centers for Driving and Slave Gear Wheels. International Journal of Psychosocial Rehabilitation. 24, 1 (Feb. 2020), 1573–1581. DOI:https://doi.org/10.61841/bg4qgv84.