Spriegel William R <br/><br/>
Elements of supervision 

 - New York  John Wiley and Sons     1957 
 - xii,349p.  cm. 
<br/><br/><label>Standard No.: </label>280,242 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X:87, J7