Billstein, Rick. <br/><br/>
A problem solving approach to mathematics for elementary school teachers / 
Rick Billstein, Shlomo Libeskind, Johnny W. Lott. 
 - 4th ed. 
 - Redwood City, Calif. :  Benjamin/Cummings,  c1990. 
 - xx, 945 p. :  ill. (some col.) ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 933) and index. 
<br/><br/><label>ISBN: </label>0805303901 
<br/><br/><label>LCCN: </label>89018076 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Problem solving.
<br/><br/><label>LC Class. No.: </label>QA135.5  QA135.5  / .B49 1990  / .B49 
<br/><br/><label>Dewey Class. No.: </label>372.7