Qarshiboyeva Marjona Baxtiyor qizi, and Xoldorova Hulkaroy. 2024. “THEME: CLASSIFICATION OF SET EXPRESSIONS”. "XXI ASRDA INNOVATSION TEXNOLOGIYALAR, FAN VA TAʼLIM TARAQQIYOTIDAGI DOLZARB MUAMMOLAR" Nomli Respublika Ilmiy-Amaliy Konferensiyasi 2 (1):49-51. https://universalpublishings.com/index.php/itfttdm/article/view/3847.