Koomen, Michele. <br/><br/>
Sets :  sorting into groups /  [book] 

 - Mankato, Minn. :  Bridgestone Books,  c2001. 
 - 24 p. :  col. ill. ;  21 cm. 
 - Exploring math .
 - Koomen, Michele.  Exploring math. .
<br/><br/>Includes bibliographical references (p. 24) and index. 
<br/><br/><label>ISBN: </label>0736808221 
<br/><br/><label>LCCN: </label>00010564  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set theory.<br/>Set theory.
<br/><br/><label>LC Class. No.: </label>QA248  / .K62 2001 
<br/><br/><label>Dewey Class. No.: </label>511 KOO