SLAVCHEV, V.; BAIGUNAKOV, D.; SABDENOVA, G. THE ENEOLITHIC OF KAZAKHSTAN: THE HISTORY OF STUDY AND THE MAIN PROBLEMS. Journal of history, [S. l.], v. 87, n. 4, p. 40–45, 2018. Disponível em: https://bulletin-history.kaznu.kz/index.php/1-history/article/view/161. Acesso em: 16 июн. 2025.