Barnett, Raymond A.  <br/><br/>
Pre-calculus:  a graphing approach / 
Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen 
<br/><br/> College of Engineering and Computer Studies  Bachelor of Science in Civil Engineering 
<br/><br/><label>ISBN: </label>0-07-005717-6 
<br/><br/><label>Dewey Class. No.: </label>512.1 B26