I need help with these questions. I have searched for information but can't find an answer. (Publication Management of expatriates)

1. Define the concept of expatriates and justify the need for this staff in the development and growth of companies.

2. Mention and explain the key elements in the selection of the ideal candidate for an international assignment.

3. Mentions and argues from the perspective of the expatriate the possible questions that arise in the face of the international assignment.

4. Describes the essential support elements that the manager must consider when compensating, supporting, and evaluating the expatriate employee.

5. Explain the potential challenges employees face in the repatriation process and how the company should handle each situation.

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Could you please provide the reference? Thank you so much!