Leonard, Edwin C. <br/><br/>
Supervision: concepts and practices of management 

 - 13th ed. 
 - Delhi  Cengage Learning  2016 
 - xxix p. + 626p. 
<br/><br/><label>ISBN: </label>9788131530863 
<br/><br/><label>Dewey Class. No.: </label>658.302 L552S