(2006). Theoretical and practical aspects of competitiveness. Print Group Daniel Krzanowski.
Style de citation Chicago (17e éd.)Theoretical and Practical Aspects of Competitiveness. Szczecin: Print Group Daniel Krzanowski, 2006.
Style de citation MLA (9e éd.)Theoretical and Practical Aspects of Competitiveness. Print Group Daniel Krzanowski, 2006.
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