Low-Cost Smart Multipurpose Rail Guard: Enhancing Safety and Accessibility at Railway Platforms. International Journal of Scientific Research in Science and Technology, [S. l.], v. 12, n. 1, p. 101–105, 2025. DOI: 10.32628/IJSRST25121160. Disponível em: https://ijsrst.com/index.php/home/article/view/IJSRST25121160. Acesso em: 1 aug. 2025.