RAJKHOWA, S.; KHAN, M. A. Waheed. The Effects of Periodicity, Height and Depth of Freshening on the Resin Yield from Young <I>Pinus roxburghii</I> Sargent and Seasonal Response. Indian Forester, [S. l.], v. 88, n. 2, p. 83–88, 1962. DOI: 10.36808/if/1962/v88i2/24638. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/24638. Acesso em: 4 dec. 2025.