Billstein, Rick. <br/><br/>
A problem solving approach to mathematics / 
Rick Billstein, Shlomo Libeskind, Johnny W. Lott. 
 - 5th ed. 
 - Reading, MA :  Addison-Wesley,  c1993. 
 - xxii, 905 p. : ill. 
<br/><br/> Rev. ed. of : A problem solving approach to mathematics for elementary school teacher. 4th ed., 1990.  Includes references, appendices, and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Problem solving