Bozorboyev , Diyorbek. “INDEKS TUSHUNCHASI VA STATISTIKADAGI O’RNI: Https: doi.org 10.5281 Zenodo.15826121”. Journal of International science networks 1, no. 5 (July 2, 2025): 369–371. Accessed December 13, 2025. https://bestjournalup.com/index.php/jisn/article/view/1902.