| Supplier Empowerment Автор: Andy Longshaw, Martin Harwar, Robert Hylton, Martin Harwar, Andy Longshaw, Robert Hylton Год: 2002
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| Introduction to e-Commerce Автор: Jeffrey F. Rayport, Bernard J. Jaworski, Jeffrey Rayport, Bernard Jaworski, Breakaway Solutions Inc. Год: 2003
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