Teshaboyeva Nafisa Zubaydulla kizi, and Toshmamatova Osuda Davlat kizi. 2023. “WORD FORMATION AS A LANGUAGE SYSTEM AND ITS ROLE IN THE VOCABULARY ENRICHMENT”. "XXI ASRDA INNOVATSION TEXNOLOGIYALAR, FAN VA TAʼLIM TARAQQIYOTIDAGI DOLZARB MUAMMOLAR" Nomli Respublika Ilmiy-Amaliy Konferensiyasi 1 (12):89-94. https://universalpublishings.com/index.php/itfttdm/article/view/3113.