William Leschensky…[et al] <br/><br/>
Pre-algebra:a transition to algebra and geometry / 

 - NEW YORK   MCGRAW HILL  2002 
 - 832P. 
<br/><br/><label>ISBN: </label>78247713 
<br/><br/><label>LC Class. No.: </label>SLB QA 152.2   / .P74 2002