Farkas, I., I. Balla, B. Pósa, and Márton Jolánkai. “Food Security and Sustainability - Chances and Limitations of Agriculture”. Review on Agriculture and Rural Development 2, no. 1 (January 1, 2013): 11–16. Accessed May 5, 2024. https://ojs.bibl.u-szeged.hu/index.php/rard/article/view/13274.