PRING, N. G. Notes on Sheep Grazing in Coniferous Forests. Indian Forester, [S. l.], v. 57, n. 10, p. 481–485, 1931. DOI: 10.36808/if/1931/v57i10/20024. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20024. Acesso em: 29 oct. 2025.