EKC ANALYSIS FOR VARIOUS AIR CONTAMINANTS IN PAKISTAN. Pakistan Journal of Social Research, [S. l.], v. 4, n. 04, p. 420–435, 2022. DOI: 10.52567/pjsr.v4i04.826. Disponível em: https://ojs.pjsr.com.pk/index.php/PJSR/article/view/826. Acesso em: 27 jul. 2025.