Focus on gramnar [Archivo de computador]: an integrated skills approach/  
Jay Maurer... [et al.]  
 - 3  
 - Estados Unidos de América :   PEARSON  
 - 5 Vols  
<br/><br/>v.1 :student book: alk. paper, -- v.2:student book: alk. paper, -- v.3:student book: alk. paper, -- v.4:student book: alk. paper, -- v.5:student book: alk. paper,  
<br/><br/><label>ISBN: </label>0131899856  
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGLES --ENSEÑANZA <br/>INGLES --GRAMATICA <br/>GRAMATICA DE INGLES 
<br/><br/><label>Dewey Class. No.: </label>CD 425 F652