Slavchev, V., Baigunakov, D., & Sabdenova, G. (2018). THE ENEOLITHIC OF KAZAKHSTAN: THE HISTORY OF STUDY AND THE MAIN PROBLEMS. Вестник КазНУ. Серия историческая, 87(4), 40-45. Получено с http://bulletin-history.kaznu.kz/index.php/1-history/article/view/161