Chugh; Om.P.,Gupta;P.N.,Prakash;Kulbhushan <br/><br/>
Comprehensive topics in mathematics  algebra and higher trigonometry  English 

 - New Delhi  Laxmi publications  n.d. 
 - v.pg 
<br/><br/><label>ISBN: </label>81-7008316-8 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.13 C71C