Greene, Jennifer C. <br/><br/>
Handbook of qualitative research : 38 Understandig social programs through evaluation 

 - 2a. 
 - London  Sage Publications  2000 
<br/><br/><label>ISBN: </label>0761915125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS SOCIALES<br/>METODOS DE INVESTIGACION