Zhanissov, A.T., U.U. Umitkaliev, and S.G. Yessen. 2021. “The Economic System of Chingistau Cattle Breeders in the Second Half of the 19th — Early 20th Centuries: Transformation of the Equestrian Culture of the Kazakhs”. Bulletin of the Karaganda University History. Philosophy Series 104 (4):35-43. https://doi.org/10.31489/2021hph4/35-43.