O'daffer, Phares G <br/><br/>
Pre-algebra / 
Phares G. O'daffer, Stanley R. Clemens, Randall I. Charles. 
 - Menlo Park, California :  Addison-Wesley Publishing,  c1991. 
 - x, 582 p. :  ill. ;  25 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0201297272 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.
<br/><br/><label>LC Class. No.: </label>QA152.2  / .O32  1991