G.Z. Iskakova, A.S. Yskak, N.A.Tasilov, & R.ZH. Mrzabayeva. (2023). EMPLOYEES OF POSTAL AND TELEGRAPH INSTITUTIONS OF THE SEMIRECHENSK REGION (SECOND HALF OF THE 19TH - FIRST HALF OF THE 20TH CENTURY). Научный журнал «Вестник НАН РК», 406(6), 142–152. https://doi.org/10.32014/2023.2518-1467.623