PRASAD, D. .; SANYAL, S. . Assessment of Ambient Air Quality in Lucknow City. National Geographical Journal of India , [S. l.], v. 57, n. 4, p. 65–72, 2022. Disponível em: http://65.0.158.54/index.php/ngji/article/view/571. Acesso em: 12 jul. 2025.