Kiss, T., and G. Gábor Szabó. “Competition Policy and Vertical Integration by Co-Operatives in the Agri-Food Industry of the European Union”. Acta Agraria Kaposváriensis 5, no. 2 (July 15, 2001): 55–71. Accessed December 5, 2025. https://journal.uni-mate.hu/index.php/aak/article/view/1579.