Basic english for students of social sciences and humanities 

 - 2a ed. 
 - San Jose, C.R.    Universidad de Costa Rica,   1992 
 - 137p.    il. 
<br/><br/> Incluye indice 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingles--Enseñanza
<br/><br/><label>LC Class. No.: </label>PE1128  / .B37 1992