Tokenova, S., G. Mataibayeva, and S. Makysh. “Economic Efficiency of Organic Wheat Production”. Economic series of the Bulletin of L.N. Gumilyov ENU, no. 4 (December 29, 2023): 65–72. Accessed January 3, 2026. https://bulecon.enu.kz/index.php/main/article/view/665.