Fragkandreas, Thanos and Larsen, Karin (2009): Social Capital and Economic Performance: some lessons from Farm Partnerships in Sweden. Unpublished.
Perekhozhuk, Oleksandr (2007): Marktstruktur und Preisbildung auf dem ukrainischen Markt für Rohmilch. Published in: Studies on the Agricultural and Food Sector in Central and Eastern Europe No. 41 (August 2007)