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no DOI — not checkedAnalyse du Processus de la d�cision d'achat dans le Social ECommerce
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no DOI — not checkedGroup formation in large social networks: Membership, growth, and evolution
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no DOI — not checkedref9
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no DOI — not checkedThe Theory of Buyer Behavior
no DOI — not checkedSmart shopping spaces: connecting merchants and consumers by innovative online marketplaces
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