Assessment of Particle Number Concentration in Different Transportation Modes along a route in Delhi. International Journal of Current Engineering and Technology, [S. l.], v. 3, n. 3, p. 1072–1077, 2013. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1211. Acesso em: 12 apr. 2026.