Yskak A, Iskakova G, Zhumatay G. The development of office work and postal service in the Semirechye oblast (1865‒1905). HPH [Internet]. 2024 Dec. 30 [cited 2026 Sep. 10];11629(4):220-34. Available from: https://history-philosophy-vestnik.buketov.edu.kz/history-philosophy-vestnik/article/view/1242