Ksenzhik, G., and D. Salkynbek. “OVERVIEW AND CLASSIFICATION OF RUSSIAN CARTOGRAPHIC MATERIALS OF THE XVIII-XIX CENTURIES. BY THE HISTORY OF KAZAKHSTAN”. BULLETIN ABAI KAZNPU, THE SERIES OF «HISTORICAL AND SOCIO-POLITICAL SCIENCES» 1, no. 64 (May 24, 2021). Accessed July 3, 2024. https://bulletin-histsocpolit.kaznpu.kz/index.php/ped/article/view/13.