Wren, Daniel A.; Bedeian, Arthur G. - 2020 - Eighth edition
"The practice of management is ancient, but the formal study of management, based on an evolving body of knowledge, is … relatively new. Rarely, if ever, in human history has an activity emerged as fast as management and proven so indispensable so … quickly. For a broad working definition, management may be viewed as the activity whose purpose is to achieve desired results …