Omonova Gavhar Sultanovna, Omanova Anagul Sultanovna, and Mahmudov Mahmudjon Ibodulla o’g’li. “Demographic Research in Uzbekistan”. CENTRAL ASIAN JOURNAL OF MATHEMATICAL THEORY AND COMPUTER SCIENCES, vol. 2, no. 4, Apr. 2021, pp. 17-19, https://cajmtcs.casjournal.org/index.php/CAJMTCS/article/view/75.