Edmonds,W Alex <br/><br/>
An applied guide to research designs  Quantitative,qualitative and mixed methods 

 - 2ed 
 - London  Sage  2017 
 - xxiii,364p. 
<br/><br/><label>ISBN: </label>978-1-4833-1727-4 
<br/><br/><label>Subjects--Index Terms: </label>Research-quantitave methods Mixed methods Qualitative metods 
<br/><br/><label>Dewey Class. No.: </label>001.42  / EDM