Koontz, Harold <br/><br/>
Essentials of management 
Harold Koontz, Heinz Weihrich. 
 - 5th ed. 
 - New Delhi  Tata McGrawHill Publishing Company  [n.d.] 
 - xxiii, 530p., ill.; 26cm 
 - (McGraw-Hill series in Management) .
<br/><br/><label>ISBN: </label>0-07-463227-2. 
<br/><br/><label>Dewey Class. No.: </label>658.4  / K94E