Kent Raymond <br/><br/>
Analysing quantitative data: Variable-  based and case- based approaches to non- experimental datasets 

 - London, UK  Sage Publications  2015 
 - xxii, 349p. 
<br/><br/><label>ISBN: </label>978-1-4739-1274-8 
<br/><br/><label>Source: </label>Reference