A. Karthy, L. Aravindh, V. Arun, A. Boopathi, and K. Divakar. 2019. “Design and Fabrication of Semi-Automatic Gear Shifting Mechanism for Physically Challenged Persons Vehicle With Reverse Motion”. International Journal of Intellectual Advancements and Research in Engineering Computations 7 (2):2437-2742. https://doi.org/10.61096/ijiarec.v7.iss2.2019.2437-2742.