LIU, Y. Exploring Parking Functions: Poset and Polytope Perspectives. Columbia Journal of Undergraduate Mathematics, [S. l.], v. 2, n. 2, 2025. DOI: 10.52214/cjum.v2i2.14297. Disponível em: https://journals.library.columbia.edu/index.php/cjum/article/view/14297. Acesso em: 5 dec. 2025.