BAL, R.; DUA, A. Birds of Natural Wetlands of North-west Punjab, India. Our Nature, [S. l.], v. 8, n. 1, p. 72–81, 2011. DOI: 10.3126/on.v8i1.4314. Disponível em: https://nepjol.info/index.php/ON/article/view/4314. Acesso em: 1 jul. 2024.