Jelaskan Bibliografi dari Kalmyk Sart dalam bahasa melayu

Ferghana Valley: The Heart of Central Asia

James Stuart Olson. An Ethnohistorical Dictionary of the Russian and Soviet Empires, 1994

S.K. Khoyt. The latest figures about localization and population of the Oirat people. //Ethnogenesis and ethnic culture problems of the Turko-Mongolic nations. 2nd Edition. Elista, 2008. p. 184-195 (Russian)