Schulman, D. Paypal's CEO on creating products for undeserved markets. Harvard Business Review.
Citace podle Chicago (17th ed.)Schulman, Dan. "Paypal's CEO on Creating Products for Undeserved Markets." Harvard Business Review .
Citace podle MLA (9th ed.)Schulman, Dan. "Paypal's CEO on Creating Products for Undeserved Markets." Harvard Business Review, .
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