Yang C. On the Complexity of Motion Planning Problem of a Forklift: Discrete and Computational Geometry, Graphs, and Games. Thai J Math [Internet]. 2023 Dec. 31 [cited 2024 May 9];21(4):785–798. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1545