William R Spriegel, Edward Schulz, William B Spriegel <br/><br/>
Elements of supervision 

 - 2nd ed 
 - John Wiley, New York  1957 
 - xii,349p 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Commerce and Management
<br/><br/><label>Dewey Class. No.: </label>658.3124 Spr