Bahadur, P <br/><br/>
Numerical Chemistry:  a new pattern book for JEE (Main & Advanced) & all other engineering entrance examinations / 
P. Bahadur 
 - Delhi:  G.R. Bathla Publications Pvt. Ltd.,  2015. 
 - 947 pages:  
<br/><br/> Gifted by Prof. Prabha Chawla (Retd. Director Professor IGNOU)