Levy, Louis L. & Fritz, Edward <br/><br/>
A Problem Solving Approach to Mathematics : for Elementary School Teachers 
By Louis L. Levy & Edward Fritz 
 - Sixth Edition 
 - Massachusetts  Addison-Wesley  1997 
 - 153 pages, 28 cm. 
<br/><br/><label>ISBN: </label>0-201-44083-0 
<br/><br/><label>Dewey Class. No.: </label>372.7 L57 1997