Mathematics Part I :  Textbook for class XII / 
NCERT 
 - New Delhi:  National Council of Educational Research and Training,  2006. 
 - xiv, 285 pages;  illustration,  24x15 cm 
<br/><br/> Gifted by Prof. Prabha Chawla (Retd. Director Professor IGNOU) 
<br/><br/><label>ISBN: </label>8174506292