The Mixed Methods Reader / Vicki L. Plano Clark John W. Creswell Editors. 

 -  Thousand Oaks Calif. : Sage Publications C2008. 
 - XVIII 616 P. : ILL. 24 CM. 
 -  0 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>9.78141E+12