Shimmin Sylvia <br/><br/>
Payment by results    A psychological investigation    

 -  1959 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wages
<br/><br/><label>Dewey Class. No.: </label>X:935:(s), J9