Reja: Ilk o’rta asrlar davri madaniyati

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3^ Worlds Together,Worlds Apart. W.W. Norton.& COMPANY. New York. London. 2011, p.302.

4^ History of civilizations of Central Asia. The development of sedentary and nomadic
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5^ Worlds Together,Worlds Apart. W.W. Norton.& COMPANY. New York. London. 2011, p.324-338.

6^ Worlds Together,Worlds Apart. W.W. Norton.& COMPANY. New York. London. 2011, p.528.

7^ Worlds Together,Worlds Apart. W.W. Norton.& COMPANY. New York. London. 2011.р.447.