Leonard, Edwin C. <br/><br/>
Supervision :  concepts and practices of management / 
Edwin C. Leonard, Kelly A. Trusty. 
 - 13th ed. 
 - Boston, MA :  Cengage Learning,  2016. 
 - xxix, 626 p. :  ill. (chiefly col.) ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1285866371 9781285866376 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personal management.<br/>Supervision of employees.