Analysis of Variability of Atmospheric Pollutants in Ambient Air of Metropolitan City Karachi, and Environmental Sustainability. Journal of Basic & Applied Sciences, [S. l.], v. 13, p. 311–315, 2017. DOI: 10.6000/1927-5129.2017.13.51. Disponível em: https://setpublisher.com/index.php/jbas/article/view/1662. Acesso em: 2 nov. 2026.