W. Lawrence Neuman <br/><br/>
Social Research Methods: Qualitative And Quantitative Approaches 

 - 6th ed 
 -   Pearson & Ab  ©2006 
<br/><br/><label>ISBN: </label>9780205465316  62 
<br/><br/><label>Dewey Class. No.: </label>301.072/NEU