VARALAKSHMI, V.; KAUL, O. N. Non-governmental Organisations : their Role in Forestry Research and Extension. Indian Forester, [S. l.], v. 125, n. 1, p. 37–44, 1999. DOI: 10.36808/if/1999/v125i1/5376. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/5376. Acesso em: 4 dec. 2025.