KAKKAR, K. V. A Simple Method of Measuring Bole Lengths and Heights of Small Trees. Indian Forester, [S. l.], v. 79, n. 11, p. 621–622, 1953. DOI: 10.36808/if/1953/v79i11/23608. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/23608. Acesso em: 29 oct. 2025.