On The Shortest Collision-Free Path Planning for Manipulator Based on Circular Obstacle Region. International Journal of Robotics and Automation Technology, [S. l.], v. 2, n. 1, p. 32–42, 2025. DOI: 10.31875/2409-9694.2015.02.01.3. Disponível em: https://www.zealpress.com/index.php/ijrat/article/view/220. Acesso em: 3 oct. 2025.