Historiography of the Institution of Biys (from 1917 to mid – 1930s): Debate on the Issue of «Classless Tribal or Class Feudalistic Kazakh Society». JH [Internet]. 2018 Oct. 29 [cited 2026 Jul. 19];90(3):106-11. Available from: https://bulletin-history.kaznu.kz/index.php/1-history/article/view/270