Is HRM principles applicable in managing Volunteers or Not-for-Profit and Charitable Organizations?

This is a research assignment that asks a specific HRM related question.

Your task is to review the question, and to research and document a comprehensive answer.

The answer must be in a professional report format, with a cover page.

You must use academic sources only, and provide in-text and end-text referencing [bibliography]

Note: The research is about HRM in Saudi Arabia, so the question is to be answered with relevance to HRM in Saudi Arabia.