Mertens, D M <br/><br/>
Research methods in education and psychology : integrating diversity with quantitative approaches 

 - London  Sage Publication  1998 
 - XVII , 422 
<br/><br/><label>ISBN: </label>0-8039-5828-5 
<br/><br/><label>Dewey Class. No.: </label>370.78 M55