Nadeem, M., R. Mustafa, M. H. Qureshi, U. Farooq, M. U. Farooq, and Q. Ali. “Variation in Food Composition of Common Teal (Anas Crecca) in Different Wetlands of Punjab, Pakistan”. PSM Biological Research, vol. 5, no. 3, July 2020, pp. 110-6, https://psmjournals.org.aabms.pk/index.php/biolres/article/view/453.