Goode, William J. <br/><br/>
Métodos de investigación social 

 - [s.l.]:   Trillas,  1969  
<br/><br/><label>Standard No.: </label>DVE-M3773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EXTENSION<br/>INVESTIGACION SOCIAL
<br/><br/><label>Universal Decimal Class. No.: </label>631.009