Saodat Pardaboyeva Ilxom qizi. MAKTAB МАТЕМАТИКА КURSIDA KОMBINATORIKA MASALALARINI YECHISHNI O’RGATISH METODIKASI. new [Internet]. 2025 Jul. 11 [cited 2025 Jul. 23];80(1):180-5. Available from: https://scientific-jl.com/new/article/view/24615