Alexander, L. G. <br/><br/>
Practice and progress : an integrated course for pre-intermediate students 

 - London  Longman  1967 
 - 231 p. : il 
 - New concept english .
<br/><br/> Teacher's book, inv. 03529. -- Tapescript, inv. 03528. -- Part. 2. Inv. 05982 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>0-582-52330-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>/LINGUISTICA/INGLES-USO; EXPRESION ORAL; CONVERSACION/REVISADO/