POKHRIYAL, T. C.; NAUTIYAL, S. Green Belts Vis-a-vis Environmental Pollution. Indian Forester, [S. l.], v. 117, n. 6, p. 468–475, 1991. DOI: 10.36808/if/1991/v117i6/8645. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/8645. Acesso em: 10 jul. 2025.