Maggs, Margaret <br/><br/>
Grolier programmed learning systems : language english, level : intermediate / Margaret Maggs , Anna Veltfort 

 - 2 
 - México : Editorial Cumbre 
 - Irregular 
<br/><br/> Vocabulary 
<br/><br/>Book 1 al 8, cassettes of book del 1 al 8 
<br/><br/><label>ISBN: </label>968-33-0225-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. INGLES-ESTUDIOS Y ENSEÑANZA-INSTRUCCIÓN PROGRAMADA
<br/><br/><label>Dewey Class. No.: </label>C428.077 M562g