Mitchell, Mark L <br/><br/>
Research design explained 

 - New York  Holt, Rinehart and Winston Inc.  1988 
 - xiv, 428p. 
<br/><br/><label>ISBN: </label>30040248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research --Social sciences<br/>Research design--Social sciences