BHATNAGAR, H. P.; GUPTA, B. B.; RAUTHAN, B. S. Response of Chir Pine (<I>Pinus roxburghii</I> Sarg.) Seedlings to Various Photoperiods. Indian Forester, [S. l.], v. 96, n. 8, p. 600–606, 1970. DOI: 10.36808/if/1970/v96i8/26301. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/26301. Acesso em: 21 aug. 2025.