Emmel, Nick <br/><br/>
Sampling and choosing cases in qualitative research :  a realist approach / 
Nick Emmel 
 - London :  SAGE,  2013 
 - xiv, 172 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780857025104 (pbk.) 9780857025098 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology<br/>Qualitative research--Methodology