Yskak A, Zhumatay G. Secret office work in the system of Soviet administration of Kazakhstan (1920‒1930). HPH [Internet]. 2024 Mar. 30 [cited 2026 Sep. 11];11329(1):121-3. Available from: https://history-philosophy-vestnik.buketov.edu.kz/history-philosophy-vestnik/article/view/856