Johnston, C. L. <br/><br/>
Essential algebra 

 - Balmont, California  Wadsworth Publishing Company  1988 
 - xiv,683p.  27cm. 
<br/><br/><label>ISBN: </label>083408916X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra
<br/><br/><label>LC Class. No.: </label>QA152.2.J63