Yusupova, S. B. qizi. “A(Z)-ANALITIK FUNKSIYA VA UNING BA’ZI BIR XOSSALARI”. INTERNATIONAL СONFERENCE ON LEARNING AND TEACHING, vol. 1, no. 4, Mar. 2022, pp. 20-23, https://researchedu.org/index.php/iclt/article/view/2604.