Quljanov Jaxongir Baxtiyorovich and Normurodova Zuxra, “KOMBINATORIKA ELEMENTLARI VA UNING HAYOTDA QOʻLLANILISHI ”, ta’lim, vol. 45, no. 1, pp. 71–74, May 2025, Accessed: Jan. 23, 2026. [Online]. Available: https://scientific-jl.com/tal/article/view/12545