Roberts, E L  Autor <br/><br/>
Tactic 1. Student's book 

 - 2-Londres,Inglaterra  MacMmillan Publishers Limited  1989 
 - 112 p.  26 x 19 cm. 
<br/><br/><br/>Espaņa 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lenguas Extranjeras
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Secundaria