O'Neill, Robert, <br/><br/>
Kernel lessons plus :  a post-intermediate course (sudents' book) / 
Robert O'Neill and Roy Kingsbury. 
 - 128 pages :  illustrations, ports. ;  25 cm. 
<br/><br/> Students' book. 
<br/><br/><label>ISBN: </label>0582522420 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Composition and exercises.<br/>English language--Textbooks for foreigners.