Foerster, Paul A. <br/><br/>
Algebra I : expressions, equations, and applications 

 - California   Addison-Wesley Publishing Company  1984 
 - 727 
<br/><br/><label>ISBN: </label>020125073X 
<br/><br/><label>Dewey Class. No.: </label>CIR 512 F77a 1984