“UMUMTA`LIM MAKTABLARIDA KOMBINATORIKA MAVZUSIGA DOIR MASALALAR VA O`QITISH METODIKASI”, ilmiy, vol. 63, no. 2, pp. 131–133, Nov. 2024, Accessed: Dec. 05, 2024. [Online]. Available: https://pedagoglar.org/02/article/view/5826