SINGH, R. V.; SHARMA, K. C. Note on the Effect of Frequent Freshenings on Resin Yield from <I>Chil (Pinus roxburghii)</I>. Indian Forester, [S. l.], v. 100, n. 3, p. 206–208, 1974. DOI: 10.36808/if/1974/v100i3/26848. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/26848. Acesso em: 29 oct. 2025.