Outdoor Air Pollution: A Case Study of Gujrat City. Journal of Asian Development Studies, [S. l.], v. 4, n. 4, p. 37–45, 2015. DOI: 10.62345/jads.2015.4.4.3113. Disponível em: https://www.poverty.com.pk/index.php/Journal/article/view/3113. Acesso em: 1 aug. 2026.