Lichtman, Marilyn <br/><br/>
Qualitative research in education  A user's guide / 

 - 2nd ed. 
 - New Delhi :  Sage ,  2010. 
 - 265 p. 
<br/><br/><label>ISBN: </label>9781412970525 
<br/><br/><label>Subjects--Index Terms: </label>Education Qualitative Research