Roberts, Jon <br/><br/>
Steps to fluency : a short course in communication 

 - Oxford  Pergamon Press  1985 
 - 67 p. : il., cuad 
 - Materials for language practice .
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>0-08-03-1094-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGLES-USO; EXPRESION ORAL/REVISADO/FLUIDEZ