Saktaganova, Z.G., and Zh.B. Abylkhozhin. “«Wilderness project»: Achieving and Problems (socio-Economic and Ecological Aspects of Virgin Lands) ”. Bulletin of the Karaganda university History. Philosophy series 92, no. 4 (December 30, 2018): 92–114. Accessed September 27, 2026. https://ejh.buketov.edu.kz/history-philosophy-vestnik/article/view/410.