Ilyasov, Sh.A., et al. “Activities of Kazakh Officials of the Colonial Administration of the Steppe Region I.P. Nadarov (1906–1908 уу.) ”. Bulletin of the Karaganda University History. Philosophy Series, vol. 96, no. 4, Dec. 2019, pp. 26-38, https://ejh.buketov.edu.kz/history-philosophy-vestnik/article/view/411.