Ravitch, Sharon M., <br/><br/>
Reason & rigor :  how conceptual frameworks guide research / 
 Reason and rigor 
Sharon M. Ravitch, Matthew Riggan. 
 - 2nd ed. 
 - Los Angeles :  SAGE,  [2017] 
 - xxiv, 234 p. :  ill. ;  23 cm 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references (pages 219-225) 
<br/><br/><label>ISBN: </label>9781483340401 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology.<br/>Research--Methodology.<br/>Qualitative research.