Problem solving strategies : crossing the river with dogs and other mathematical adventures 
Herr, Ted,. 
 -  Key Curriculum Press,  1994 
 - viii, 370 pages 
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<br/><br/><label>ISBN: </label>978-1-55953-068-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>GS 370.153 H43p 1994