Critical thinking : The analysis of arguments 
Herrick, James A. 
 -  Gorsuch, Scarisbrick, Publishers.  1991 
 - xiii,306 pages. 
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<br/><br/><label>ISBN: </label>0-89787-342-4 
<br/><br/><label>Dewey Class. No.: </label>168 H44c 1991