Ramírez Arias, J. L., & Martínez Quintero, J. C. (2011). Finite Elements’ Simulation Of A Device Adapted To A Wheel Chair In Order To Automate It And 3d Modelling With MatLab. Ingeniería Solidaria, 6(10-11), 53-58. https://revistas.ucc.edu.co/index.php/in/article/view/451