Uralova Kamola Dilshod kizi, and Teshaboyeva Nafisa Zubaydulla kizi. “Vowels and Their Modifications”. "XXI ASRDA INNOVATSION TEXNOLOGIYALAR, FAN VA TAʼLIM TARAQQIYOTIDAGI DOLZARB MUAMMOLAR" nomli respublika ilmiy-amaliy konferensiyasi 1, no. 11 (November 14, 2023): 133–135. Accessed July 22, 2024. https://universalpublishings.com/index.php/itfttdm/article/view/2663.