Olaz Capitán, Ángel José, <br/><br/>
Observación participante :  el invisible arte de investigar / 
Ángel Olaz. 
 - 1 online resource :  illustrations. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788490525135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Participant observation.
<br/><br/><label>LC Class. No.: </label>HM520 ebook