VENKAIAH, K. Ethephon in Liquio Sulphuric Acid Increases Oleoresin Yields in Chir Pine. Indian Forester, [S. l.], v. 117, n. 2, p. 120–123, 1991. DOI: 10.36808/if/1991/v117i2/8577. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/8577. Acesso em: 29 oct. 2025.