"Pandey, H D" <br/><br/>
Textbook of Algebra and Trigonometry 

 - \\201000ENGGPSX 
 - Wisdom Press   2010  New Delhi  
 - 305 p. 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>9.79E+12