Polvonov K, Polvonov A. QASHQADARYODAGI YETAKCHI OʻQUV DARGOHLARIDAN BIRI. ScienceProblems [Internet]. 2026 Apr. 18 [cited 2026 Apr. 18];6(4):71-9. Available from: https://scienceproblems.uz/index.php/journal/article/view/4783