Direct selling is presentation and delivery of goods or services to directly target specific customers, each individual or each group make direct sales must meet with a wide range of customers. By each customer will have their needs and satisfaction levels with different. Which is the duty of scientists to find a way that direct sales to meet the needs of each customer, to be satisfied by the study? Understand and develop the format of the presentation there are differences, consistent and appropriate to the needs of each customer.
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