Dennis G. Zill,  <br/><br/>
Essentials of precalculus with calculus previews / 
Zill,  Dennis G. |  Dewar, Jacqueline M. 
 - Sixth Edition 
 - Thailand:  iGroup Press Co., Ltd,  2016. 
 - x, 454 p.;  ill. 
<br/><br/><label>ISBN: </label>9781284056327 (case bound) 
<br/><br/><label>Dewey Class. No.: </label>512.1 Z69 2016