Qarshiboyeva Marjona Baxtiyor qizi, and Xoldorova Hulkaroy. “THEME: CLASSIFICATION OF SET EXPRESSIONS”. "XXI ASRDA INNOVATSION TEXNOLOGIYALAR, FAN VA TAʼLIM TARAQQIYOTIDAGI DOLZARB MUAMMOLAR" Nomli Respublika Ilmiy-Amaliy Konferensiyasi, vol. 2, no. 1, Jan. 2024, pp. 49-51, https://universalpublishings.com/index.php/itfttdm/article/view/3847.