RATNA RAO, A.; SINGH, B. P. Non-wood Forest Products Contribution in Tribal Economy: (a Case Study in South Bihar and South West Bengal). Indian Forester, [S. l.], v. 122, n. 4, p. 337–342, 1996. DOI: 10.36808/if/1996/v122i4/6274. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/6274. Acesso em: 10 jul. 2025.