Certo, Samuel C. <br/><br/>
Supervision :  concepts and skill building / 
Samuel C. Certo. 
 - 4th ed. 
 - Illinois :  Irwin,  c2003. 
 - 560 p. :  ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0072284048 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supervision of employees.
<br/><br/><label>LC Class. No.: </label>HF5549.12  / .C42