Аbdumаjidоvа Gulchexrаxоn Kаxxаrоvnа. “MАTEMАTIKАО’QITISHDА KАSBGА DОIR TUSHUNCHАLАRNI SHАKLLАNTIRISH ”. TADQIQOTLAR, vol. 56, no. 3, Feb. 2025, pp. 135-7, https://scientific-jl.com/tad/article/view/2884.