1.Berry
Berry's model begins with the foundation of internal marketing that recognizes the employee as a customer and develops it with a competitive advantage. What the model shows that, in order to have satisfied employees, in turn, the quality of the services received, they must get involved with the organization, participate in the activities that the organization has in mind, without neglecting the focus of the tasks. . as a product The fact of this recognition facilitates marketing intervention, managed by attracting and maintaining employees with a vision of customer-oriented service.