Social studies ( November 2004 - December 2005 )  / 
Editor Gloria Contreras. 
 - Bimonthly. 
 -  28 cm. 
<br/><br/><label>ISSN: </label>0037-7996 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences -- Periodicals.<br/>Social studies -- Periodicals.