Csipkés, Margit, and Lajos Nagy. “The Location of Energy Plantations in the Sowing Structure and Its Evaluation With Linear Programming”. International Journal of Engineering and Management Sciences 3, no. 3 (July 7, 2018): 255–269. Accessed May 7, 2024. https://ojs.lib.unideb.hu/IJEMS/article/view/5050.