Delfs, Robert. Autor, Lecturer in English at the Briam Institute <br/><br/>
Graduated exercises in English. 

 - 4ª 
 - Madrid  Sucs. Rivadeneyra, S.A.  195... 
 - 86 p.  19 x 13 cm 
<br/><br/> Precio: 45 pesetas. 
<br/><br/><br/>España 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lenguas Extranjeras
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Secundaria