Hubbard, Elaine <br/><br/>
Elementary algebra:  A graphing approach: 
Elaine Hubbard, Ronald D. Robinson 
 - Lexington: D.C. Heath and Company  c1996 
 - xvi, 701p. 27cm. 
<br/><br/><label>ISBN: </label>0669354996 
<br/><br/><label>Dewey Class. No.: </label>512