Mamaraufov O.A., and Narmatova Y.Sh. “TALABALARNING O‘ZLASHTIRISH DARAJALARINI ANIQLASHDA NORAVSHAN TO‘PLAMLAR NAZARIYASINING TATBIQI”. European Journal of Interdisciplinary Research and Development 22 (December 17, 2023): 243–250. Accessed January 30, 2025. http://ejird.journalspark.org/index.php/ejird/article/view/915.