Spiegel, Alejandro. <br/><br/>
Héroes invisibles  historias de la vida cotidiana para educar en valores 
Alejandro Spiegel. 
 - Argentina  HomoSapiens  2003. 
 - 87 p.  ill.  24 cm. 
<br/><br/>Includes bibliographical references (p. 86-87). 
<br/><br/><label>ISBN: </label>9508083743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social values<br/>Moral education<br/>Civics--Study and teaching.