Berdenov, Zharas, and Nargiz Nurtazina. “Geographical Aspects of Development of Regional Center Aktobe ”. Journal of Geography, Politics and Society 9, no. 4 (December 31, 2019): 51–57. Accessed March 28, 2024. https://czasopisma.bg.ug.edu.pl/index.php/JGPS/article/view/3906.