AZIZ UR RAHMAN; OWAIS IQBAL KHAN; AMBREEN AZIZ. An Investigation Study on PM2.5 in Ambient Air: A CaseStudy of Karachi, Pakistan. Pakistan Journal of Analytical & Environmental Chemistry, [S. l.], v. 25, n. 2, 2024. DOI: 10.21743/pjaec/2024.12.05. Disponível em: http://test.pjaec.pk/index.php/test/article/view/94. Acesso em: 2 dec. 2024.