Service Quality, Passenger Satisfaction, and Sustainable Urban Mobility: An Economic Study of Chennai Metro Rail. International Journal of Food and Nutritional Sciences, [S. l.], v. 14, n. 1, p. 227–237, 2025. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/9734. Acesso em: 8 aug. 2026.