the 5-day course in thinking. 

 - london:   penguin books,   1991.  
 - paperback  
<br/><br/> 160pp., 20x13 
<br/><br/><label>ISBN: </label>0 14 013789 0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology<br/>thinking