Vysotskyi, Taras, and Olena Kovtun. “Making Agricultural Support Objective-Oriented: A Linear Programming Approach for Ukraine”. Applied Studies in Agribusiness and Commerce 7, no. 2-3 (September 30, 2013): 79–83. Accessed March 7, 2021. https://ojs.lib.unideb.hu/apstract/article/view/6175.