Duerr, Elyce B. <br/><br/>
Pre-algebra & lagebra using alrebra models 

 - Illinois  Classroom Products  2005 
 - 128 
<br/><br/><label>ISBN: </label>1931502706 
<br/><br/><label>Dewey Class. No.: </label>CIR 512 D853 2005