Narymbet, Gulnur, Zhanar Muldakhmetova, Nurbek Baimakhanov, and Aidarbek Amirbek. “Methods and Language of Official Business Communication in the Ulus of Jochi”. Bulletin of the Karaganda university History. Philosophy series 12030, no. 4 (December 30, 2025): 113–121. Accessed September 27, 2026. https://ejh.buketov.edu.kz/history-philosophy-vestnik/article/view/1856.