Unesco <br/><br/>
Language identity and communication 

 -  Unesco,  1986 
 - 218p.;  21cm 
<br/><br/><label>ISBN: </label>9230024074 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Communication
<br/><br/><label>Dewey Class. No.: </label>302.2  / UNE