YANG, C. On the Complexity of Motion Planning Problem of a Forklift: Discrete and Computational Geometry, Graphs, and Games. Thai Journal of Mathematics, [S. l.], v. 21, n. 4, p. 785–798, 2023. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1545. Acesso em: 9 may. 2024.