Arora ,O P. <br/><br/>
Companion Mathematics. 
by O P Arora, V K Bhandari 
 - New Delhi:  S. Dinesh & Co. 
 - Xii,724 p.:  22 cm. 
<br/><br/>Appendix. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510