AGRAWAL, S.; TIWARI, S. L. Susceptibility Level of Few Plants on Basis of Air Pollution Tolerance Index. Indian Forester, [S. l.], v. 123, n. 4, p. 319–322, 1997. DOI: 10.36808/if/1997/v123i4/5938. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/5938. Acesso em: 21 aug. 2025.