DAS, Bhai Cparan. Ringing of Ducks in Dhar State. Indian Forester, [S. l.], v. 60, n. 3, p. 217–220, 1934. DOI: 10.36808/if/1934/v60i3/20628. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20628. Acesso em: 21 aug. 2025.