Nabiyeva Dilnoza Ahadjon qizi, and Saidjahonova Muxarramoy Nuralixon qizi. “Qushlar Sinfining Umumiy Tavsifi Va Sistematikasi”. Journal of Science-Innovative Research in Uzbekistan, vol. 1, no. 9, Dec. 2023, pp. 546-9, https://universalpublishings.com/~niverta1/index.php/jsiru/article/view/3233.