Study guides Basic for the Course in English. 

 - [Río Piedras, P.R.  University of Puerto Rico  n.d.]. 
 - 227 p. 
<br/><br/><label>LCCN: </label>fel36001606  
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching (Higher)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico