AHMAD, A.; M. ALI, J. Planar Transition Curves Using Quartic Bezier Spiral. Journal of Science and Mathematics Letters, [S. l.], v. 2, n. 1, p. 78–85, 2019. Disponível em: https://ejournal.upsi.edu.my/index.php/JSML/article/view/452. Acesso em: 4 may. 2024.