Ravitch, Sharon M. <br/><br/>
Reason & rigor :  how conceptual frameworks guide research / 
 Reason and rigor 
Sharon M. Ravitch, Matthew Riggan 
 - Thousand Oaks :  Sage Pub,  c2012 
 - xxi, 174 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9781412981255 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology<br/>Research--Methodology<br/>Qualitative research