N.N.Tazhibayeva*, N.D.Skakirova 2026. CONTEMPORARY ETHNODEMOGRAPHIC DEVELOPMENT TRENDS IN THE KOSTANAY REGION. Вестник ЗКУ. 102, 2 (июн. 2026), 291. DOI:https://doi.org/10.37238/2960-1371.2960-138X.2026.102(2).29.