O'Neill, Robert <br/><br/>
Kernel lessons plus : a post-intermediate course : student's book 

 - Zürich  Eurocentr  1972 
 - 127 p.  grafs. 
<br/><br/><label>ISBN: </label>0582522420 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LENGUA INGLESA<br/>GRAMATICA<br/>POST INTERMEDIATE