Spector Paul E <br/><br/>
Research Designs 

 - New Delhi   Sage Publication   1983 
 - 80 
<br/><br/> 17440 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psycholosy 
<br/><br/><label>Dewey Class. No.: </label> / SPE R