Kauf S, Tłuczak A. The Brand of Regional Products as a Tool to Promote Rural Development (on the Basis of Opolskie Voivodeship). jard [Internet]. 31Dec.2010 [cited 20Apr.2024];18(4):61-2. Available from: http://www1.up.poznan.pl/jard/index.php/jard/article/view/843