“KAZAKHS IN THE SERVICE OF POSTAL AND TELEGRAPH INSTITUTIONS IN SEMIRECHENSK REGION (SECOND HALF OF THE 19TH CENTURY - FIRST HALF OF THE 20TH CENTURY) ”. Journal of History, vol. 112, no. 1, Mar. 2024, pp. 4-18, https://doi.org/10.26577/JH.2024.v112.i1.01.