Frankfort-Nachmias, Chava  & Nachmias, David <br/><br/>
Research Methods in the Social Sciences 

 - 5th ed 
 - Arnold, London  1996 
 - xxii; 617 
<br/><br/><label>ISBN: </label>0-340-66226-3 
<br/><br/><label>Dewey Class. No.: </label>307 Fra/Nac