“TALABALARNING O‘ZLASHTIRISH DARAJALARINI ANIQLASHDA NORAVSHAN TO‘PLAMLAR NAZARIYASINING TATBIQI”. European Journal of Interdisciplinary Research and Development , vol. 22, Dec. 2023, pp. 243-50, https://ejird.journalspark.org/index.php/ejird/article/view/915.