DHAKANE, Vikas Navanath. Comparative Analysis of Urban Metro Systems Across Major Global Cities. Journal of Neonatal Surgery, Lahore, Pakistan, v. 14, n. 31S, p. 621–631, 2025. Disponível em: https://jneonatalsurg.com/index.php/jns/article/view/7235. Acesso em: 16 apr. 2026.