“KOMBINATORIKA PREDMETI VA PAYDO BO‘LISH TARIXI VA 7-SINF MATEMATIKA DARSLIKLARIDA KOMBINATORIKA MASALALARINI HAYOTGA BOG‘LAB O‘QITISH”., ICAMES, vol. 1, no. 8, pp. 25–32, Dec. 2024, Accessed: Jun. 17, 2026. [Online]. Available: https://universalconference.us/index.php/icames/article/view/3403