ZHU, Ying. Effects of Materials on Environment and Economy of Public Transport. Highlights in Science, Engineering and Technology, [S. l.], v. 121, p. 306–311, 2024. DOI: 10.54097/e9m5v996. Disponível em: https://drpress.org/ojs/index.php/HSET/article/view/27860. Acesso em: 3 aug. 2026.