Farhan Mustaffa, Muhammad, Ruhizan Liza Ahmad Shauri, Muhammad Izzat Roslan, and Muhammad Asyraf Idris. “Development of a 4-DOF Robotic Arm: Prototype Design”. International Journal of Engineering & Technology 7, no. 4.18 (November 27, 2018): 429–432. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/21983.