CHEN, Zhuo; WAN , Shuai; CHEN, Zhonggeng. Design and Risk Analysis of an Escalator Safety Step. Highlights in Science, Engineering and Technology, [S. l.], v. 27, p. 774–779, 2022. DOI: 10.54097/hset.v27i.3844. Disponível em: https://drpress.org/ojs/index.php/HSET/article/view/3844. Acesso em: 23 may. 2026.