Wallner, Ernest M. <br/><br/>
Sociología :  conceptos y problemas fundamentales. 

 - Barcelona :  Herder,  1975. 
 - 342 p. 
<br/><br/><label>ISBN: </label>8425410053 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGIA
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>SOCIOLOGIA