Dar, Firdous Ahmad, Maya S. Krishnan, Jose John Chungath, and Ashok Narayana Pillai. 2015. “A Post-Hatch Developmental Study of Conchae in Kuttanad Ducks (Anasplatyrhynchos Domesticus)”. Indian Journal of Veterinary Anatomy 26 (2). https://epubs.icar.org.in/index.php/IJVA/article/view/45742.