HORAGINAMANI, S. M.; RAVICHANDRAN, M. Ambient air quality in an urban area and its effects on plants and human beings: a case study of Tiruchirappalli, India. Kathmandu University Journal of Science, Engineering and Technology, [S. l.], v. 6, n. 2, p. 13–19, 2010. DOI: 10.3126/kuset.v6i2.4007. Disponível em: https://www.nepjol.info/index.php/KUSET/article/view/4007. Acesso em: 17 oct. 2021.