Kozina V, Baimagambetova А, Ualtayeva A. Socio–demographic development of the cities of Central Kazakhstan in 1999-2021: Research article. jHistory [Internet]. 2025 Jun. 16 [cited 2025 Aug. 31];151(2):81-102. Available from: https://jhistory.enu.kz/index.php/jHistory/article/view/47