Buchenrieder G, Hanf JH, Pieniadz A. 20 years of transition in the agri-food sector. GER J AGR ECON [Internet]. 2009 Oct. 7 [cited 2024 Nov. 22];58(7). Available from: https://www.tib-op.org/ojs/index.php/gjae/article/view/1758