FAIZ, Y.; WAHEED, S.; SIDDIQUE, N. Air Quality Assessment of Faisalabad and Gujranwala Cities of Pakistan: Application of Pollution Indices. The Nucleus, [S. l.], v. 52, n. 2, p. 55–62, 2015. DOI: 10.71330/thenucleus.2015.650. Disponível em: http://202.83.167.189/index.php/Nucleus/article/view/650. Acesso em: 8 apr. 2025.