XU, B.; WANG, Y.; WANG, Z.; JIA, H.; LU, Z. Hierarchically and Cooperatively Learning Traffic Signal Control. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 35, n. 1, p. 669-677, 2021. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/16147. Acesso em: 18 aug. 2022.