Roy, D. (1991) “Konsumgenossenschaften im Strukturwandel: Consumer Co-operatives in a Changing World: Comparative Studies on Structural Changes of Some Selected Consumer Cooperative Societies in Industrialized Countries”, Wirtschaft und Gesellschaft, 17(1), pp. 108–111. Available at: https://journals.akwien.at/index.php/wug/article/view/2038 (Accessed: 23 March 2026).