Roos, Gregory. <br/><br/>
Organic chemistry concepts :   an EFL approach / 
Gregory Roos and  Cathryn Roos. 
 - London:  Elsevier, Inc.  2015. 
 - vii, 221p.  ill. 
<br/><br/>Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780128016992 
<br/><br/><label>Dewey Class. No.: </label>547  /  R781 2015 c.2