KAZAKHS IN THE SERVICE OF POSTAL AND TELEGRAPH INSTITUTIONS IN SEMIRECHENSK REGION (SECOND HALF OF THE 19TH CENTURY - FIRST HALF OF THE 20TH CENTURY) . JH [Internet]. 2024 Mar. 1 [cited 2026 Jul. 20];112(1):4-18. Available from: https://bulletin-history.kaznu.kz/index.php/1-history/article/view/1797