MANZOOR, B.; GULZAR, S. Impact of Air Quality on Ecological Sustainability of Old Commercial Hub at Faisalabad : Ecological Sustainability of Old Commercial Hub at Faisalabad . Sir Syed University Research Journal of Engineering & Technology, Pakistan, v. 13, n. 2, p. 01–07, 2023. DOI: 10.33317/ssurj.492. Disponível em: https://sirsyeduniversity.edu.pk/ssurj/rj/index.php/ssurj/article/view/492. Acesso em: 11 may. 2024.