Abubakirova Marhaboxon Shuhratbek qizi, “BOSHLANGʻICH FUNKSIYA VA ANIQMAS INTEGRAL”, obraz, vol. 57, no. 3, pp. 43–44, Nov. 2024, Accessed: Jan. 21, 2026. [Online]. Available: https://scientific-jl.org/obr/article/view/2761