Ander-Egg, Ezequiel <br/><br/>
Técnicas de investigacion social / Ezequiel Ander-Egg 

 - 2 
 - 424 p. 
<br/><br/><label>ISBN: </label>9507245138 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Investigacion SocialÌ
<br/><br/><label>LC Class. No.: </label>001.42 A23t