Mertens, Donna M. <br/><br/>
Research and evaluation in education and psychology : integrating diversity with quantitative, qualitative, and mixed methods 

 - 2nd ed. 
 - Thousand Oaks, Calif.; London :  Sage Publications  2005 
 - (pbk) 
<br/><br/><label>ISBN: </label>0761928057 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research