Plowright David. <br/><br/>
Using Mixed Methods : Frameworks For An Integrated Methodology / David Plowright. 

 -  London : Sage 2011. 
 - X 205 P. ILL. 24 CM. 
 -  0 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>9.78185E+12