Dua, Hans Raj <br/><br/>
Ecology of multilingualism  : language, culture, and society 
/ by Hans R. Dua 
 - Mysore  Yashoda Publication  2008 
 - ix,344p. 
<br/><br/><label>ISBN: </label>8186055045 
<br/><br/><label>Dewey Class. No.: </label>306.446  / DUA/E