Mamashokirova Fotima Kenjaboy qizi, Maxammadjonova Sevara Fayzullo qizi and Isaqjonova Oydinoy Azizbek qizi 2023. Umurtqasiz va umurtqali hayvonlarning qiyosiy tasnifi. Journal of Science-Innovative Research in Uzbekistan. 1, 8 (Nov. 2023), 665–671.