Air pollution inside public transport vehicles of Kathmandu Valley. Nepal Journal of Environmental Science, [S. l.], v. 2, p. 35–41, 2014. DOI: 10.3126/njes.v2i0.22739. Disponível em: https://www.nepjol.info/index.php/njes/article/view/22739. Acesso em: 5 jul. 2026.