KANWAR, K.; DHAMALA, M. K.; MASKEY-BYANJU, R. Air pollution tolerance index: An approach towards the effective green belt around Kathmandu metropolitan city, Nepal. Nepal Journal of Environmental Science, [S. l.], v. 4, p. 23–29, 2016. DOI: 10.3126/njes.v4i0.22721. Disponível em: https://nepjol.info/index.php/njes/article/view/22721. Acesso em: 17 apr. 2024.