Baer-Nawrocka, Agnieszka, and Natalia Markiewicz. “Processes of Convergence/Divergence of Labour Productivity in Agriculture of the European Union - Regional Analysis”. Journal of Agribusiness and Rural Development 25, no. 3 (December 31, 2012): 13-23. Accessed May 5, 2024. http://www1.up.poznan.pl/jard/index.php/jard/article/view/544.