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The Challenger Sale: Taking Control of the Customer Conversation
New €21.50
You save €12.51 (58%)
Book€8.99
You save €12.51 (58%)
New €21.50€8.99

The Challenger Customer: Selling to the Hidden Influencer Who Can Multiply Your Results
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€14.98

The Effortless Experience: Conquering the New Battleground for Customer Loyalty
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€8.99