HERNANDEZ SAMPIERI, Roberto <br/><br/>
Metodologia de la investigación 

 - 6a ed. 
 - Mexico  McGraw-Hill  2014 
 - 600 p. 
<br/><br/><label>ISBN: </label>978-1-4562-2396-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INVESTIGACION CIENTIFICA<br/>METODOLOGIA
<br/><br/><label>Universal Decimal Class. No.: </label>001.81 HER