Cohen, David. <br/><br/>
Precalculus :  a problems-oriented approach / 
David Cohen. 
 - St Paul :  West publishing  c2003. 
 - xiv, [various pagings] :  ill. ;  26 cm.  
<br/><br/> Includes index. 
<br/><br/>Incuding bibliographical references. 
<br/><br/><label>ISBN: </label>0314262091 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precalculus.