Whitney, Norman <br/><br/>
Open Doors 1 : Student's Book 

 - Oxford :  Oxford University Press,  1994. 
 - 118 p. :  il. 
<br/><br/>Optional projects and stories. - Revisions and progress checks. - Skills work. - Thorough practice of target language. - Topics which appeal to young people. 
<br/><br/> Secondary-level course for teenagers. 
<br/><br/><label>ISBN: </label>0-19-435600-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGLÉS<br/>ACTIVIDADES DE APRENDIZAJE
<br/><br/><label>Index Terms--Genre/Form: </label><br/>LIBRO DE TEXTO