Sonnabend, Thomas <br/><br/>
Mathematics for elementary teachers  an interactive approach 
Thomas Sonnabend. 
 - Fort Worth  Saunders College Pub.  1993. 
 - xviii, 917 p.  ill.  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Mathematics