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Crusade, commerce and culture
ʿAṭīya, ʿAzīz Sūryāl, (1966)
Central Asia in focus : political and economic issues
Buyers, Lydia M., (2003)
Ķazaķ šaruašylyġy otaršyldyķ däuírínde
Ķūsajynūly, Ķajsar, (2001)