Problem solving mathematics 
Kinney, Lucien B. 
 -  Holt, Rinehart and Winston, Inc.  1972 
 - xi, 532 pages. 
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<br/><br/><label>ISBN: </label>0-03-080198-2 
<br/><br/><label>Dewey Class. No.: </label>510 K62p 1972