Recommend a person you like or a book <br><br>Ma Yun, is a modern management staff, there are many management concepts in line with reality. Among them, my favorite is "An employee leaves, or the money is not in place, or the heart is wronged" <br>"Effective Manager", the author is the father of modern management Peter Drucker, the most important law : The efficiency of managers is often the most critical factor in determining the efficiency of the organization.
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