The art of thinking : a guide to critical and creative thought 
Ruggiero, Vincent Ryan. 
 -  Harper & Row Publishers.  1984 
 - xi, 228 pages. 
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<br/><br/><label>ISBN: </label>9-71082328-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking.
<br/><br/><label>Dewey Class. No.: </label>153.42 R84 1984