Horn, Péter. “Some Aspects of Globalization and Sustainable Development from a European Point of View With Special Regards to the Future of the Hungarian Animal Husbandry”. Acta Agraria Debreceniensis, no. 9 (December 10, 2002): 12–17. Accessed April 22, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/3556.