Sutermeister, Robert A. <br/><br/>
People and productivity 3rd ed. 

 - New York  McGraw-Hill  1976 
 - xvi,475p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labour productivity
<br/><br/><label>LC Class. No.: </label>HD57.S9