Umirov Baxriddin Xayrullayevich, and Qurbonov Sherzod Rashidovich. “TRAPETSIYAGA AYRIM DOIR FORMULALARNING ISBOTLARI”. PEDAGOGS 56, no. 1 (April 18, 2024): 74–79. Accessed January 18, 2025. https://pedagogs.uz/ped/article/view/1119.