Ayodhya Singh <br/><br/>
Numerical problems in organic chemistry 
Ayodhya Singh. 
 - New Delhi  Campus Books International  2002 
 - 436p., 22cm. 
<br/><br/><label>ISBN: </label>81-8030-014-5. 
<br/><br/><label>Dewey Class. No.: </label>547.35  / A69N